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 Windows
The power window switches located on the driver door control all four windows. The passenger doors have a window switch that controls that window. Push the switch down to open the window. Pull the f ...
Sunroof
For vehicles with a sunroof, the sunroof only operates when the ignition is in
ON/RUN or ACC/ ACCESSORY, or in Retained Accessory Power (RAP). See Retained Accessory
Power (RAP) for more i ...
Windshield Wiper/Washer
The windshield wiper lever is on the right side of the steering column. With
the ignition in ACC/ ACCESSORY or ON/RUN, move the windshield wiper lever to select
the wiper speed.
2: Use for fast ...