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:
Express Window Anti-Pinch Feature
If any object is in the path of the
window when the express-up is
active, the window will stop at the
obstruction and auto-reverse to a
preset factory position. Weather
conditions such as se ...
Tire Sealant
Read and follow the safe handling
instructions on the label adhered to
the sealant canister.
Check the tire sealant expiration
date on the sealant canister.
The sealant canister should be
re ...
Towing Equipment
Hitches
It is important to have the correct hitch equipment. Crosswinds, large
trucks going by and rough roads are a few reasons why the right hitch is
needed.
- The rear bumper on the vehicle ...