
This feature controls the brightness of the instrument panel controls and infotainment display screen. The thumbwheel is to the left of the steering column on the instrument panel.
(Instrument Panel Brightness):
Move the thumbwheel up or down and hold, to brighten or dim the instrument panel controls and infotainment display screen.
Courtesy LampsService Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably
service General Motors c ...
Quick Info
Quick Info gives access to quick information on Audio playing, OnStar Turn-by-Turn
route (if equipped), 5-day forecast, Nearby Fuel Stations, and Movie Show Times.
To access, press Quick Info on the Home Page or the INFO button on the faceplate.
Depending on the system and if the options are ...
Interior Lamps Dimming
This group includes lamps which may dim. This group may use a combination of
vacuum fluorescent illumination, LEDs and incandescent
lamps
HVAC control module, head assembly
Rear HVAC control module, head assembly
Radio
Rear seat audio
The instrument panel cluster
The PRNDL lamp, wit ...