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:
Security
OnStar provides services like Stolen
Vehicle Assistance, Remote Ignition
Block, and Roadside Assistance,
if the vehicle is equipped with these
services. OnStar can unlock the
vehicle doors r ...
Cruise Control Messages
APPLY BRAKE BEFORE CRUISE
If this message displays when attempting to activate cruise control, apply
the brake pedal and try again.
CRUISE SET TO XXX
This message displays when the cruise co ...
Headlamp High/Low-Beam Changer
Push the turn signal/lane change lever away from you and release, to turn
the high beams on. To return to low beams, push the lever again or pull it
toward you and release.
This indicator lig ...






