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:
Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight.
Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they
can damage the vehicle's paint, m ...
Windshield Wiper/Washer
The windshield wiper/washer lever is located on the right side of the
steering column. With the ignition in ACC/ACCESSORY or ON/RUN/START, move the
windshield wiper lever to select the wiper spe ...
Certification Label
Label Example
A vehicle-specific Certification/ Tire label is attached to the driver side
center pillar (B-pillar).
The label shows the size of the vehicle's original tires and the inflatio ...