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:
Tires
Use a stiff brush with tire cleaner to clean the tires.
Notice: Using petroleum-based tire dressing products on the vehicle may damage
the paint finish and/or tires. When applying a tire dressing, ...
Automatic Crash Response
In a crash, built in sensors can automatically alert an
OnStar advisor who is immediately connected to
the vehicle to see if you need help. ...
Sunroof
The vehicle may be equipped with a power sliding
sunroof. To open or close the sunroof, the
ignition must be turned to ON, ACCESSORY, or
Retained Accessory Power (RAP) must be
active.
Press and ...