See also:

Driver Information Center (DIC)
The Driver Information Center (DIC) provides status of many vehicle systems. The DIC displays warning/ status messages. The DIC display is at the bottom of the instrument panel cluster. The ...

Tow/Haul Mode
The vehicle has a Tow/Haul Mode. The Tow/Haul Mode adjusts the transmission shift pattern to reduce shift cycling, providing increased performance, vehicle control, and transmission cooling when ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...