Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop.
See also:
Trip Odometer
Press the trip/fuel button until TRIP displays. This display shows the current distance traveled in either kilometers (km) or miles since the last reset for the trip odometer.
Pressing the trip odome ...
Tow/Haul Mode
(Tow/Haul): The vehicle may have a Tow/Haul mode.
The button is located on the instrument panel under the climate controls.
Push the button to activate the system. Push it again to deactivate the s ...
OnStar Additional Information
Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle owners ...