Wheels and Tires
See also:
Shifting Out of Neutral
To shift the transfer case out of N (Neutral) do the following:
1. Set the parking brake and apply the regular brake pedal.
2. Turn the ignition to ON/RUN with the engine off, and shift the transmis ...
Trailer Towing
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.
If the vehicle is a hybrid, see the hybrid supplement for more information.
Do not tow a trailer during br ...
Ride Control System Messages
ALL WHEEL DRIVE OFF
If your vehicle has the All-Wheel Drive (AWD) system, this message displays when
the rear drive system is overheating. This message turns off when the rear drive
system cools ...





