Front Axle
The front axle engages and disengages automatically when you shift the transfer case. Some delay for the axle to engage or disengage is normal.
See also:
Highway Hypnosis
Always be alert and pay attention to your surroundings while driving.
If you become tired or sleepy, find a safe place to park the vehicle and rest.
Other driving tips include:
• Keep the vehicle ...
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 ...
Programming the Power Windows
If the battery on the vehicle has been recharged, disconnected, or replaced, windows with the express-up feature need to be reprogrammed for this feature to work. To program the window:
1. Close all ...





