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
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Passing
More passing distance is needed
when towing a trailer. Because the
rig is longer, it is necessary to go
much farther beyond the passed
vehicle before returning to the lane. ...
Liftgate
The liftglass or liftgate cannot be opened if the rear wiper is in motion. Attempting
to open the liftglass or liftgate while the rear wiper is in motion will cause the
release of the liftglass ...
Mirror Adjustment
Exterior
Manual Folding Mirrors Shown
To adjust the mirror:
1. Move the selector switch to L (Left) or R (Right) to choose the driver or
passenger mirror.
2. Press the arrows on the con ...