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:
Guidelines
The RVC system has a guideline
overlay that can help the driver align
the vehicle when backing into a
parking spot.
To turn the guidelines on or off:
1. Shift into P (Park).
2. Press the CONF ...
Cellular and GPS Antennas
Avoid placing items over or near the
antenna to prevent blocking cellular
and GPS signal reception. Cellular
reception is required for OnStar to
send remote signals to the vehicle. ...
Six-Disc CD (MP3) Player
To set the time and date:
1. Turn the ignition key to ACC/ACCESSORY or
ON/RUN. Press to turn the radio
on.
2. Press MENU.
3. Press the softkey below the
tab. The HR, MIN,
MM, DD, YYYY dis ...