Service All-Wheel Drive Light
This light should come on briefly when you turn on the ignition, as a check to show you it is working.
The service all-wheel drive light comes on to indicate that there may be a problem with the drive system and service is required. Malfunctions can be indicated by the system before any problem is apparent, which may prevent serious damage to the vehicle. This system is also designed to assist your GM dealer in correctly diagnosing a malfunction.
See also:
Tire Pressure Monitor
This vehicle may have a Tire Pressure Monitor System (TPMS).
The TPMS warning light alerts you to a significant loss in pressure of one of
the vehicle's tires. If the warning light comes on, ...
Trailer Towing (eAssist)
The vehicle is neither designed nor
intended to tow a trailer. ...
Instrument Panel Illumination Control
This feature controls the brightness of the instrument panel controls and infotainment
display screen. The thumbwheel is located to the left of the steering column on
the instrument panel.
: Mo ...