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:
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 ...
Back-Up Lamps
To replace one of these bulbs:
1. Open the liftgate. See Liftgate .
A. Push Pin
B. Taillamp Cover
2. Pull on push pin (A) to release the taillamp cover (B).
3. Remove the taillamp cover ...
Interior
Two occupants fit inside the XLR's luxurious interior, which features
eucalyptus wood and aluminum accents. The seatbacks and cushions are heated and
cooled. The DVD navigation/entertainment syste ...