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:
California Fuel
Requirements
If the vehicle is certified to meet
California Emissions Standards, it is
designed to operate on fuels that
meet California specifications.
See the underhood emission control
label. If this f ...
Tire and Loading Information Label
Label Example
A vehicle specific Tire and Loading Information label is attached to the center
pillar (B-pillar). With the driver door open, you will find the label attached below
the door lock ...
Battery Replacement
To change the remote control batteries:
1. Slide the rear cover back on the remote control.
2. Replace the two batteries in the compartment. Make sure they are installed
correctly using the diagra ...