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:
OnStar®
If the vehicle is equipped with
an active OnStar system, that
system may also record data in
crash or near crash-like situations.
The OnStar Terms and Conditions
provides information on data ...
Belts
- Belts may need replacing if
they squeak or show signs of
cracking or splitting.
- Trained dealer technicians
can inspect the belts and
recommend replacement when
necessary. ...
How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface.
A. Fill Plug
B. Drain Plug
When the differential is cold, add enough lubricant to raise the level
from 0mm (0 in) to 3. ...