Hummer H3. Manual — part 1364

Turn Signals: Refer to Exterior Lighting

Systems Description and Operation

Upshift Indicator: Refer to Indicator/Warning

Message Description and Operation

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Displays and Gages - H3

DIC Warning Messages

Symbol

Description

ABS

Refer to ABS Description and Operation

A/C OFF

Refer to Cooling System Description and

Operation

BATTERY

Refer to Charging System Description and

Operation

BRAKE FLUID

Refer to Brake Warning System

Description and Operation

BRAKE SYSTEM

Refer to Brake Warning System

Description and Operation

CARGO LAMP

Refer to Interior Lighting Systems

Description and Operation

CHANGE OIL

Refer to Indicator/Warning Message

Description and Operation

CHECK FUEL CAP

Refer to Indicator/Warning Message

Description and Operation

DOORS

Refer to Door Ajar Indicator Description

and Operation

DOME LAMP

Refer to Interior Lighting Systems

Description and Operation

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Displays and Gages - H3

CHANGE OIL

The instrument panel cluster (IPC) illuminates the CHANGE OIL indicator when the powertrain
control module (PCM) determines that the engine oil should be changed. The IPC receives a class
2 message from the PCM indicating the remaining oil life percent. Once the oil is changed,
perform the engine oil monitor reset procedure in order to clear the Change Engine Oil indicator.
Refer to GM Oil Life System Resetting .

CHECK FUEL CAP

The IPC illuminates the CHECK FUEL CAP message in the driver information center (DIC)
when the PCM detects a low fuel pressure condition. The IPC receives a class 2 message from the
PCM requesting illumination.

LO FUEL

The IPC illuminates the LO FUEL message in the DIC when the IPC detects that the fuel level is

ENG HOT

Refer to Cooling System Description and

Operation

LO FUEL

Refer to Indicator/Warning Message

Description and Operation

LOW TRAC

Refer to ABS Description and Operation

MAP LAMP

Refer to Interior Lighting Systems

Description and Operation

OIL

Refer to Indicator/Warning Message

Description and Operation

OIL LIFE

Refer to Indicator/Warning Message

Description and Operation

PARK BRAKE

Refer to Park Brake System Description

and Operation

REDUCED POWER

Refer to Powertrain Control Module

Description

SERV 4WD

Refer to Transfer Case Description and

Operation

SERV VEH

Refer to Powertrain Control Module

Description

SERVICE TRACTION

Refer to ABS Description and Operation

TRAC OFF

Refer to ABS Description and Operation

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Displays and Gages - H3

less than a pre-determined value. The IPC receives a class 2 message from the PCM indicating
fuel level percent.

OIL

The IPC illuminates the OIL message in the DIC when the PCM detects a low oil pressure
condition with the signal circuit low. The IPC receives a class 2 message from the PCM
requesting illumination.

OIL LIFE

The IPC illuminates the OIL LIFE message when the PCM determines that the engine oil should
be changed. The IPC receives a class 2 message from the PCM indicating the remaining oil life
percent.

UPSHIFT INDICATOR

The IPC illuminates the UPSHIFT INDICATOR when the PCM determines that the vehicle
should be shifted to the next higher gear. The IPC receives a class 2 message from the PCM
requesting illumination.

INSTRUMENT CLUSTER DESCRIPTION AND OPERATION

Displays Test

Certain instrument panel cluster (IPC) features are tested when the ignition is turned on in order
to verify the features are working properly. The following indicators illuminate for 5 seconds:

The Antilock Brake System (ABS) indicator

The brake indicator

The park brake indicator

The SECURITY indicator

The upshift indicator

All gages sweep to their minimum physical position and then to their actual physical
position.

The following indicators illuminate for the specified times:

The AIR BAG indicator flashes 7 times.

The seat belt indicator illuminates for 20 seconds followed by 55 seconds of flashing with
the drivers seat belt unfastened, or, the seat belt indicator will illuminate for 8 seconds with

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Displays and Gages - H3