Instrument Panel Illumination Control

The brightness of the instrument panel lighting and steering wheel controls can be adjusted.
:
Move and hold the thumbwheel up or down to brighten or dim the lights.
See also:
Checking Coolant
The vehicle must be on a level surface when checking the coolant level.
Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not d ...
Reading Lamps
The reading lamps are located in the headliner.
(Reading Lamps): Press the button
near each lamp to turn it on or off. ...
Security
OnStar provides services like Stolen
Vehicle Assistance, Remote Ignition
Block, and Roadside Assistance,
if the vehicle is equipped with these
services. OnStar can unlock the
vehicle doors r ...
