See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. T ...

Brakes
Brakes stop the vehicle and are crucial to safe driving. • Signs of brake wear may include chirping, grinding, or squealing noises, or difficulty stopping. • Trained dealer technicians have acce ...

Shifting from Two-Wheel Drive High to Four-Wheel Drive High
• Shifts between Two-Wheel Drive High and Four-Wheel Drive High can be made at any vehicle speed. • Shift the transfer case lever in one continuous motion into either the Four-Wheel Drive High or ...