Volvo XC90 T8 Twin Engine Plug-in Hybrid (2017 year). Manual — part 17
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
287
•
Passing Assistance with Adaptive Cruise
Control or Pilot Assist-2 (p. 289)
•
Adaptive Cruise Control (ACC) symbols and
messages (p. 293)
•
Changing Adaptive Cruise Control
(ACC) speed
ACC makes it possible to set various speeds.
Changing a set speed
Function buttons and symbols
–
Change a set speed by pressing the
(1)
or — (3) buttons briefly or by pressing and
holding them:
•
Press briefly: changes speed in
+/– 5 mph (+/– 5 km/h) increments.
Each press changes the vehicle's speed
by +/– 5 mph (+/– 5 km/h).
•
Press and hold: changes the speed
+/– 1 mph (+/– 1 km/h) at a time.
Release the button when the set speed
indicator (4) has moved to the desired
speed.
If speed is increased by pressing the accelerator
pedal before the
button is pressed, the vehi-
cle's speed when the button is pressed will
become the set speed assuming that the accel-
erator pedal is still depressed when the button is
pressed.
A temporary increase in speed, such as when
passing another vehicle, does not affect the ACC
set speed. The vehicle will return to the set speed
when the accelerator pedal is released.
The Adaptive Cruise Control can follow another
vehicle from a standstill up to 125 mph
(200 km/h). Always observe posted speed limits.
The lowest speed that can be set for ACC is
20 mph (30 km/h). However, ACC can monitor
and react to the speed of the vehicle ahead down
to a standstill.
The highest speed that can be set/stored is
approx. 125 mph (200 km/h). Always observe
posted speed limits.
Related information
•
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
288
Setting an Adaptive Cruise Control
time interval
ACC makes it possible to set various time inter-
vals to the vehicle ahead.
Different time intervals to the
vehicle ahead can be selected
and are shown in the instru-
ment panel as 1–5 horizontal
bars. The greater the number of
bars, the longer the time inter-
val. One bar between the vehi-
cles represents a time interval of approximately
1 second; 5 bars is approximately 3 seconds.
The same symbol appears if Distance Alert is
activated.
•
If the symbol shows two vehicle's, ACC is
actively following the vehicle ahead (a target
vehicle).
•
If only one vehicle is displayed, ACC is not
actively following another vehicle.
Changing a time interval
Controls for setting a time interval
Reduce the time interval
Increase the time interval
Distance/time indicator
–
Press buttons (1) or (2) to reduce or
increase the time interval.
> The distance/time indicator (3) shows the
current time interval.
In order to follow the vehicle ahead as smoothly
as possible, ACC allows the time interval to vary
considerably in certain situations. At low speeds,
when the distance to the vehicle ahead is short,
ACC increases the time interval slightly.
•
If ACC does not seem to react when it is put
in active mode, this may be because the set
time interval to the vehicle ahead does not
allow an increase in speed.
•
The higher the speed, the greater the dis-
tance to the vehicle ahead for a given time
interval.
•
Only use time intervals permitted by local
traffic regulations.
WARNING
•
Only use a time interval that is suitable in
current traffic conditions.
•
A short time interval gives the driver lim-
ited reaction time if an unexpected situa-
tion occurs in traffic.
Related information
•
•
Starting and activating Adaptive Cruise
Control (ACC)
•
Deactivating/resuming Adaptive Cruise
Control (ACC) (p. 285)
•
Passing Assistance with Adaptive Cruise
Control or Pilot Assist-2 (p. 289)
•
Adaptive Cruise Control (ACC) symbols and
messages (p. 293)
•
DRIVER SUPPORT
}}
* Option/accessory, for more information, see Introduction.
289
Passing Assistance with Adaptive
Cruise Control or Pilot Assist-2
ACC or Pilot Assist can assist the driver when
passing other vehicles.
How passing assistance works
When ACC or Pilot Assist is following another
vehicle and the driver indicates that he/she is
about to pass that vehicle by using the left turn
signal, ACC or Pilot Assist will begin accelerating
toward the vehicle ahead before your vehicle has
moved into the passing lane.
The function will then delay a speed reduction to
avoid early braking as your vehicle approaches
the slower-moving vehicle.
The function is active until your vehicle has
passed the other vehicle.
WARNING
Be aware that this function may be activated
in situations other than when passing a vehi-
cle, such as if the turn signal is used to indi-
cate a lane change or to indicate a turn. The
vehicle will accelerate briefly.
Using passing assistance
To activate passing assistance:
•
Your vehicle (ACC or Pilot Assist) must be
following another vehicle (the target vehicle).
•
Current speed must be at least approx.
45 mph (70 km/h ).
•
The speed set for ACC or Pilot Assist must
be high enough to safely pass the vehicle
ahead.
Starting passing assistance
To start a passing assistance sequence:
•
Activate the left turn signal.
Passing assistance limitations
WARNING
The driver should be prepared for sudden
changes when passing assistance is used. In
certain cases, there may be undesired accel-
eration.
Certain situations should be avoided, such as:
•
If the vehicle is approaching an exit to the
left or a left turn.
•
If the vehicle ahead slows down before
your vehicle has moved into the passing
lane.
•
Traffic in the passing lane slows down.
Passing assistance in these situations can be
deactivated by putting ACC or Pilot Assist in
standby mode.
Related information
•
•
•
Changing target vehicles and
automatic braking with Adaptive
Cruise Control (ACC)
At certain speeds, Adaptive Cruise Control can
change target vehicles and automatically apply
the brakes.
Changing target vehicles
If the target vehicle turns suddenly, there may be a sta-
tionary vehicle ahead
When ACC is actively following another vehicle at
speeds under 20 mph (30 km/h) and changes
targets from a moving vehicle to a stationary one,
the system will brake for the stationary vehicle.
||
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
290
WARNING
If ACC changes targets from a moving vehicle
to a stationary one at speeds above 20 mph
(30 km/h), the system will not react to the
stationary vehicle and will accelerate to the
previously set speed.
The driver must actively apply the brakes to
slow/stop the vehicle.
Automatic standby mode when changing
targets
ACC disengages and goes into standby mode if:
•
your vehicle's speed goes below approx.
3 mph (5 km/h) and ACC cannot determine
if the target object is a stationary vehicle or
some other type of object such as a speed
bump, etc
•
the vehicle's speed goes below approx.
3 mph (5 km/h) and the vehicle ahead
changes lanes or turns so that ACC no
longer has a target vehicle to follow.
Auto-hold brake function
In slow-moving, stop-and-go traffic or when stop-
ped at a traffic light, driving will resume automati-
cally if the vehicle is not stopped for more than
approx. 3 seconds. If it takes more than
3 seconds for the vehicle ahead to begin moving
again, ACC will go into standby mode and the
auto-hold brake function will activate.
–
The driver will then have to reactivate ACC in
one of the following ways:
•
Press the
button on the left-side
steering wheel keypad.
•
Press the accelerator pedal.
> ACC will resume following the vehicle
ahead (target vehicle) if it begins to move
within approx. 6 seconds.
ACC can keep the vehicle at a standstill for
up to 5 minutes, after which the parking brake
will be set and ACC will go into standby
mode.
The parking brake has to be released before
ACC can be reactivated.
Deactivation of the auto-hold brake function
In certain situations, auto-hold will be deactivated
when the vehicle is at a standstill and ACC will go
into standby mode.
This means that the brakes will be released and
the vehicle can begin to roll.
The driver must actively apply the brakes to keep
the vehicle at a standstill.
This can occur in the following situations:
•
the driver presses the brake pedal
•
the parking brake is set
•
the gear selector is moved to the P, N or R
positions
•
the driver puts ACC in standby mode.
Automatically setting the parking brake
In certain situations, the parking brake is set
automatically to help keep the vehicle at a stand-
still.
This occurs if ACC keeps the vehicle at a stand-
still with the brakes and:
•
the driver unbuckles the seat belt or opens
the door
•
ACC has kept the vehicle at a standstill for
more than approx. 5 minutes
•
the brakes overheat
•
the engine is turned off.
Related information
•
•
Auto-hold brake function (p. 379)
•
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
291
Adaptive Cruise Control (ACC) -
troubleshooting
If this symbol is displayed in the instru-
ment panel and the message
Windscreen sensor
Sensor
blocked, see Owner's manual
appears, the ACC radar sensor is blocked and
cannot detect vehicles ahead.
This message also indicates that the following
systems may have reduced functionality:
•
Distance Alert
•
City Safety
•
Driver Alert Control
•
Pilot Assist
•
Lane Keeping Aid (LKA)
•
Road Sign Information (RSI)
The following table lists possible causes for this message being displayed and suitable actions:
Cause
Action
The windshield in front of the radar is dirty or covered with snow/ice.
Clean/clear the windshield in front of the radar.
Heavy rain or snow is interfering with the radar signals.
No action possible. Heavy precipitation may affect the function of the radar.
Swirling water or snow from the surface of the road may interfere with the
radar signals.
No action possible. A very wet or snow-covered road surface may affect the
function of the radar.
The windshield in front of the radar is clean but the message remains in the
display.
Wait a short time. It may take several minutes for the radar to detect that it is
no longer obstructed.
A text message can be erased by briefly pressing
the O button on the right-side steering wheel
keypad. If the message recurs, contact a trained
and authorized Volvo service technician or
retailer.
Related information
•
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
292
Adaptive Cruise Control (ACC) -
limitations
Adaptive Cruise Control (ACC) functionality may
be limited in certain situations.
Steep roads and/or heavy loads
Adaptive Cruise Control is primarily intended for
use on relatively level roads. The function may not
be able to maintain the correct time interval to
the vehicle ahead when driving down steep hills.
The driver should be attentive and prepared to
apply the brakes in these situations.
Do not use Adaptive Cruise Control when the
vehicle is transporting a heavy load or if it is tow-
ing a trailer.
Additional information
•
The
Off Road
drive mode cannot be
selected if Adaptive Cruise Control is acti-
vated.
•
Adaptive Cruise Control uses the vehicle's
camera and radar sensor, which have certain
general limitations. See the articles "Camera
limitations" and "Radar sensor limitations"
for additional information.
Related information
•
•
Radar sensor limitations (p. 319)
•
DRIVER SUPPORT
}}
* Option/accessory, for more information, see Introduction.
293
Adaptive Cruise Control (ACC)
symbols and messages
A number of ACC symbols and/or messages
may appear in the instrument panel or the head-
up display
*.
Several examples
3
are provided here.
This illustration
4
shows that ACC is set at a
speed of 68 mph (110/km/h) and that there is
no vehicle ahead to follow.
This illustration
4
shows that ACC is set at a
speed of 68 mph (110/km/h) and is following
another vehicle traveling at the same speed.
The following table lists several ACC-related symbols and messages.
Symbol
Message
Explanation
WHITE symbol
ACC is in active mode and maintaining the set speed.
GRAY symbol and
Unavailable
ACC is in standby mode.
3
In the following illustrations, the optional RSI (Road Sign Information) function is indicating that the posted speed limit is 80 mph (130 km/h).
4
The illustration is generic. 110 km/h is approx. 68 mph.
||
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
294
Symbol
Message
Explanation
Adaptive cruise
Service required
The system is not functioning properly. Contact a trained and qualified Volvo Service tech-
nician.
Windscreen sensor
Sensor blocked, see
Owner's manual
Clean the windshield in front of the camera/radar sensor.
A text message can be erased by briefly pressing
the O button on the right-side steering wheel
keypad. If the message recurs, contact a trained
and authorized Volvo service technician or
retailer.
Related information
•
•
DRIVER SUPPORT
}}
* Option/accessory, for more information, see Introduction.
295
Pilot Assist
*
Pilot Assist helps the driver keep the vehicle
between a traffic lane's side marker lines as well
as helping to maintain a set time interval (dis-
tance) to a vehicle ahead.
There are two versions of Pilot Assist: Pilot
Assist-1 and Pilot Assist-2. The following illus-
trations provide help in determining the version
that is in your vehicle.
Pilot Assist-1
Vehicles with Pilot Assist-1
have this symbol in the instru-
ment panel.
Pilot Assist-2
Vehicles with Pilot Assist-2
have this symbol in the instru-
ment panel.
Related information
•
•
Pilot Assist-1
*
The Pilot Assist feature helps keep the vehicle in
its current traffic lane by providing steering
assistance and maintaining an even speed and a
set time interval to the vehicle ahead.
Function
The vehicle's camera monitors the traffic lane's
side marker lines and a distance monitor helps
maintain the set time interval to the vehicle
ahead.
Pilot Assist helps provide more relaxed driving in
heavy, slow-moving traffic at speeds up to
30 mph (50 km/h) on highways and major roads.
Function overview
Windshield module containing the camera/
radar sensor
Monitoring distance
Monitoring side marker lines
The driver sets the desired time interval to the
vehicle ahead. Pilot Assist monitors that vehicle
and the traffic lane's side market lines using the
camera and radar sensor mounted in the upper,
center section of the windshield. It helps maintain
the set time interval by automatically adjusting
speed and by providing steering assistance to
help keep your vehicle in the lane.
Pilot Assist's steering assistance is based on
monitoring the direction of the vehicle ahead and
the traffic lane's side marker lines. The driver can
always override Pilot Assist and steer the vehicle
to e.g., change lanes, etc.
||
DRIVER SUPPORT
296
If the camera and radar sensor cannot detect the
lane's side marker lines or a vehicle ahead, Pilot
Assist goes into standby mode.
When Pilot Assist is in standby mode and your
vehicle comes too close to the vehicle ahead, the
driver will be alerted by the Distance Alert func-
tion.
WARNING
•
Pilot Assist is designed to be a supple-
mentary driving aid and cannot cover all
driving situations, traffic, weather and/or
road conditions.
•
The driver should be familiar with all of
the information in this article regarding
Pilot Assist, including its limitations.
•
Pilot Assist is not intended to replace the
driver's attention and judgement.
•
Pilot Assist must only be used where
there are clearly visible traffic lane side
marker lines on both sides of the current
traffic lane. In other circumstances there
is an increased risk of collision with sur-
rounding obstacles that are not detected
by the system.
•
The driver is always responsible for steer-
ing the vehicle and maintaining a suitable
speed and distance to the vehicle ahead
and must intervene if necessary, even if
Pilot Assist is being used.
Pilot Assist is designed to regulate speed
smoothly but in situations calling for fast braking,
the driver must apply the brakes. This applies to
situations where there are considerable differen-
ces in speed or if the vehicle ahead brakes sud-
denly. Due to the limitations of the camera and
radar sensor, the system may apply the brakes in
your vehicle suddenly or not at all.
•
The default speed for Pilot Assist is preset to
approx. 30 mph (50 km/h) and cannot be
changed. If the vehicle ahead increases
speed to over 30 mph (50 km/h) and pulls
away from your vehicle, Pilot Assist will go
into standby mode.
•
Pilot Assist maintenance should only be
carried out by a trained and qualified
Volvo service technician.
•
Pilot Assist regulates your vehicle's
speed using the accelerator pedal and
the brakes. Please be aware that there
may be a faint sound from the brakes
when the system is using them.
WARNING
•
Pilot Assist is not a collision avoidance
system. The driver must react if the sys-
tem does not detect another vehicle.
•
Pilot Assist does not react to people, ani-
mals, stationary objects, small vehicles
(such as bicycles and motorcycles), low
trailers and slow moving, parked or
approaching vehicles.
•
Do not use Pilot Assist in demanding
driving conditions such as city driving or
other heavy traffic situations, in slippery
conditions, when there is a great deal of
water or slush on the road, during heavy
rain or snow, in poor visibility, on winding
roads or on highway on- or off-ramps.
DRIVER SUPPORT
}}
297
Pilot Assist overview
Controls
Function buttons and symbols
Activates Pilot Assist when the vehicle is
kept at a standstill by the auto-hold brake
function
Press to activate Pilot Assist or put it in
standby mode
Change from Pilot Assist to Adaptive Cruise
Control (symbol (8) will also change)
Not in use
Increase the distance (time interval) to the
vehicle ahead
Change from Adaptive Cruise Control to Pilot
Assist (symbol (8) will also change)
Reduce the distance (time interval) to the
vehicle ahead
Function symbols
Symbols for the time interval and the vehicle
ahead
Instrument panel
Speed indication
Set speed
Speed of the vehicle ahead
Your vehicle's current speed.
Collision warning
Warning light
Pilot Assist can exert brake force that is equiva-
lent to approximately 40% of the vehicle's total
braking capacity.
In situations requiring more brake force than Pilot
Assist can provide and if the driver does not
apply the brakes, an audible signal from the City
Safety system will sound and warning light will
illuminate in the windshield to alert the driver to
react.
||
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
298
Head-up-display
*
A flashing symbol alerts the driver
If the vehicle is equipped with a head-up display,
a flashing symbol in the windshield will alert the
driver.
Strong sunlight, reflections, extreme light con-
trasts, the use of sunglasses, or if the driver is
not looking straight ahead may make the vis-
ual warning signal in the windshield difficult to
see.
WARNING
Pilot Assist only provides warnings for vehi-
cles that its radar sensor and camera have
detected. For this reason, a warning may be
given later than expected or not at all. The
driver should never wait for a warning before
applying the brakes.
Related information
•
•
Starting and activating Pilot Assist-1
•
Setting a Pilot Assist-1 time interval (p. 300)
•
Deactivating/resuming Pilot Assist-1
(p. 301)
•
Automatic braking with Pilot Assist-1
(p. 303)
•
Pilot Assist-1 limitations (p. 304)
•
•
•
•
Radar sensor limitations (p. 319)
•
Starting and activating Pilot
Assist-1
*
Pilot Assist has to be started and then activated
before it can provide steering assistance and
regulate speed and the distance to the vehicle
ahead.
Function buttons and symbols
DRIVER SUPPORT
}}
299
Prerequisites
The prerequisites for activating Pilot Assist are:
•
The vehicle ahead must be within a reasona-
ble (detectable) distance
•
The camera must be able to clearly detect
the traffic lane's side marker lines
•
The vehicle's speed must be under approx.
30 mph (50 km/h).
A WHITE symbol indicates that
Pilot Assist has been selected.
In other cases, the WHITE
arrow pointing to the right indi-
cates that the system is availa-
ble.
A YELLOW symbol with a flashing WHITE arrow
indicates that the system is about to shift into
standby mode.
With ACC in standby mode:
1. Tap
▶ (6).
> The symbol will be displayed and Pilot
Assist will go into standby mode.
2. Press the
button (2) on the left-side
steering wheel keypad.
> Pilot Assist will go into active mode.
WARNING
Pilot Assist is not a collision avoidance sys-
tem. The driver is always responsible for
steering or applying the brakes if the system
does not detect another vehicle.
Do not use Pilot Assist in demanding driving
conditions such as city driving or other heavy
traffic situations, in slippery conditions, when
there is a great deal of water or slush on the
road, during heavy rain or snow, in poor visibil-
ity, on winding roads or on highway on- or off-
ramps.
In certain situations, it may be difficult for Pilot
Assist to assist the driver correctly or to deac-
tivate automatically. In such cases, it is advisa-
ble not to use Pilot Assist. Examples of such
situations may be:
•
the lane's side market lines are missing,
badly faded or cross each other.
•
the division of lanes is not clear, e.g.,
when a line divides or merges with
another, at exits or if there are many road
signs/markers.
•
there are edges or other lines on or near
the lane, e.g., curbs, cracks, repaired
areas, sharp shadows, etc.
•
the lane is narrow or winding.
•
the lane is at the top of a hill, on an
uneven road surface or over a bump.
•
bad weather conditions (rain, snow, fog,
slush, poor visibility, backlighting, etc).
The driver should also be aware that Pilot
Assist has the following limitations:
•
High curbs, barriers and temporary obsta-
cles (cones, barriers etc) may not be
detected or could be detected incorrectly
as side marker lines, which may create a
risk of collision. The driver must ensure a
safe distance to these obstacles.
•
The camera or radar sensor may not be
able to detect objects if there are pot-
holes or if there are stationary objects
partially or completely blocking the road.
•
Pilot Assist does not "see" pedestrians,
animals, etc.
•
Pilot Assist's steering capacity is limited
and may not always be able to help the
driver keep the vehicle in the lane.
Hands on the steering wheel
Pilot Assist only functions when the driver's
hands are on the steering wheel, which is con-
tinuously monitored by the system. If this is not
the case, the driver will be alerted by a text mes-
sage in the instrument panel. If the driver's hands
are not returned to the steering wheel, an audible
signal will sound.
If the driver does not return his/her hands to the
steering wheel after the audible signal, Pilot
Assist will go into standby mode and must be
reactivated by pressing
.
||
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
300
Related information
•
•
•
Setting a Pilot Assist-1 time interval (p. 300)
•
Deactivating/resuming Pilot Assist-1
(p. 301)
•
Automatic braking with Pilot Assist-1
(p. 303)
•
Pilot Assist-1 limitations (p. 304)
Setting a Pilot Assist-1 time interval
Different time intervals to the vehicle ahead can
be selected and are shown in the instrument
panel as 1–5 horizontal bars.
Changing the time interval
The greater the number of bars,
the longer the time interval.
One bar between the vehicles
represents a time interval of
approximately 1 second; 5 bars
is approximately 3 seconds.
The same symbol appears if Distance Alert is
activated.
Time interval controls
Press to reduce the time interval to the vehi-
cle ahead
Press to increase the time interval to the
vehicle ahead
Distance indicator
In order to follow the vehicle ahead as smoothly
as possible, Pilot Assist allows the time interval to
vary considerably in certain situations. At low
speeds, when the distance to the vehicle ahead
is short, Pilot Assist increases the time interval
slightly.
•
If Pilot Assist does not seem to react when it
is put in active mode, this may be because
the set time interval to the vehicle ahead
does not allow an increase in speed.
•
The higher the speed, the greater the dis-
tance to the vehicle ahead for a given time
interval.
DRIVER SUPPORT
}}
* Option/accessory, for more information, see Introduction.
301
WARNING
•
Only use a time interval that is suitable in
current traffic conditions.
•
A short time interval gives the driver lim-
ited reaction time if an unexpected situa-
tion occurs in traffic.
Related information
•
•
•
Starting and activating Pilot Assist-1
•
Deactivating/resuming Pilot Assist-1
(p. 301)
•
Automatic braking with Pilot Assist-1
(p. 303)
•
Pilot Assist-1 limitations (p. 304)
Deactivating/resuming Pilot
Assist-1
Pilot Assist can be temporarily deactivated, put
in standby mode and then reactivated.
Putting Pilot Assist in standby mode
Function buttons and symbols (generic illustration)
1. Press the
button (2).
> Pilot Assist will go into standby mode and
symbol (8) in the instrument panel will
change from WHITE to GRAY.
2. Press the
◀ button (3).
> Pilot Assist will be turned off and shift to
ACC in standby mode.
or
–
Press the
◀ button (3).
> Pilot Assist will be turned off and switch
to ACC in active mode.
Standby mode due to driver action
If a turn signal is used or if the accelerator pedal
is pressed, Pilot Assist will temporarily go into
standby mode. When the turn signal is switched
off or the accelerator pedal is released, Pilot
Assist will reactivate automatically.
Automatic reactivation from standby mode can be
done within 1 minute. After 1 minute has
elapsed, Pilot Assist must be reactivated man-
ually by pressing the
button.
Pilot Assist will temporarily go into standby mode
if:
•
the brakes are applied
•
the gear selector is moved to the N position.
The driver will then have to regulate speed and
distance to the vehicle ahead, or reactivate Pilot
Assist manually by pressing the
button on
the left-side steering wheel keypad.
||
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.
302
Automatic standby mode
Pilot Assist interacts with other systems, such as
Electronic Stability Control. If any of these other
systems are not functioning properly, Pilot Assist
will automatically be deactivated.
WARNING
If this happens, the driver will be alerted by an
audible signal and a message in the instru-
ment panel. The driver will have to adapt the
vehicle's speed, apply the brakes when nec-
essary and keep a safe distance to the vehicle
ahead.
Pilot Assist switches automatically to standby
mode if:
•
the camera cannot detect the traffic lane's
side marker lines
•
the vehicle ahead is not within a reasonable
(detectable) distance
•
the driver's hands are not on the steering
wheel
•
the driver unbuckles the seat belt
•
engine speed (rpm) is too high/low
•
the wheels lose traction
•
brake temperature is too high
•
the parking brake is set
•
The camera lens/radar sensor is covered by
e.g., wet snow or if heavy rain interferes with
radar waves
Reactivating Pilot Assist from standby
mode
Function buttons and symbols
–
Press the
button (2).
> The most recently set speed will be used
and symbol (8) in the instrument panel
will change from WHITE to GRAY.
Related information
•
•
•
Starting and activating Pilot Assist-1
•
Setting a Pilot Assist-1 time interval (p. 300)
•
Automatic braking with Pilot Assist-1
(p. 303)
•
Pilot Assist-1 limitations (p. 304)
•
•
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