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:
Power Mirrors
Controls for the outside power mirrors are located on the driver door.
1. Turn the control knob to the L (left) or R (right) selecting the driver or passenger mirror.
2. Push the control knob to t ...
Engine Exhaust
CAUTION:
Engine exhaust can kill. It contains the
gas carbon monoxide (CO), which you
cannot see or smell. It can cause
unconsciousness and death.
You might have exhaust coming in if:
• Your ...
Erasing Universal Remote
System Buttons
All programmed buttons should be
erased when the vehicle is sold or
the lease ends.
To erase all programmed buttons on
the Universal Remote system
device:
1. Press and hold down the two
ou ...