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:
Hood
To open the hood:
1. Pull the release handle with the above symbol on it. It is located below
the instrument panel to the left of the steering wheel.
2. Move the secondary hood release ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Folding the Seatback
To fold the seatback:
1. Open the liftgate to access the controls for the seat.
2. Remove all items on the seat cushion.
Notice: Folding a rear seat with the safety belts still fastened may cause d ...