Chevrolet Silverado / GMC Sierra. Service manual — part 2438

Fig. 11: World Magnetic Variation Map
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Displays and Gages - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 12: Illustrating Magnetic Variation Zones
Courtesy of GENERAL MOTORS CORP.

1. Locate your current geographic location on the World Magnetic Variation Map.

2. Turn ON the ignition, with the engine OFF.

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Displays and Gages - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

3. Press and hold the switch for the compass, which may be depicted as COMP, COMPASS,

or on/off (w/UE1) depending on the type of mirror on the vehicle, until a zone number
appears on the compass display.

4. Depress the switch for the compass to select the desired zone number.

5. Wait 5 seconds. The display will return to a compass heading. The variance procedure is

now complete.

6. Calibrate the compass. Refer to Compass Calibration mentioned above.

DRIVER INFORMATION CENTER (DIC) DESCRIPTION AND OPERATION

The driver information center (DIC) displays the DIC WOW for 5 seconds when it first powers
up. If enabled through Personalization, the DIC then returns to the last display status before no
power condition.

There are 4 switch functions for the DIC.

Personalization

Set/Reset

Trip/Fuel

Vehicle Info

Trip/Fuel

The Trip/Fuel switch is used to navigate between vehicle information parameters. Cycle through
the following vehicle parameters by successive pressing of the Trip/Fuel switch

Accell Rate

Average Fuel Economy (AFE)

Average Vehicle Speed (AVE)

Fuel Range

Fuel Used

Instantaneous Fuel Economy (IFE)/ Displacement on Demand (DOD)

Maximum Speed

Odometer

Trans Temp

Trip A

Trip B

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Displays and Gages - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Trip Time

Vehicle Info

The Vehicle Info switch is used to navigate between vehicle information parameters. Cycle
through the following vehicle parameters by successive pressing of the Vehicle Info switch.

Blank Display

English/Metric Units

Key Fob Programming Menu

Left Front Tire Pressure

Left Rear Tire Pressure

Oil Life Index (OLI)

Right Front Tire Pressure

Right Rear Tire Pressure

Tire Programming Menu

Personalization

The Personalization switch is used to set personalization features for both the vehicle and the
driver. Many of the parameters in the Trip/Fuel menu and the Vehicle Info menu can be
programmed through the Personalization switch. In addition to the parameters in the Trip/Fuel
and Vehicle Info menus, the following features can also be programmed.

Approach Lighting

Automatic Door Lock

Automatic Door Unlock

Chime Volume

Delayed Door Lock

Display Language

Easy Exit Seat

Exit Lighting

Memory Seat Recall

Remote Door Lock

Remote Door Unlock

Remote Start

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Displays and Gages - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado