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:
Navigation
OnStar navigation requires the
Directions and Connections
service plan.
Push to receive directions or
have them sent to the vehicle
navigation screen. Destinations
can also be forwarded to ...
Towing the Vehicle From the Rear
Notice: Towing the vehicle from the rear could damage it. Also, repairs
would not be covered by the vehicle warranty. Never have the vehicle towed from
the rear. ...
Compass Variance (Zone) Procedure
1. Do not set the compass zone
when the vehicle is moving.
On an automatic transmission
vehicle, only set it when the
vehicle is in P (Park). On a
manual transmission vehicle,
only set it w ...