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:
Checking Engine Oil
It is a good idea to check the engine oil level at each fuel fill. In order to
get an accurate reading, the vehicle must be on level ground. The engine oil dipstick
handle is a yellow loop. See En ...
Immobilizer
See Radio Frequency Statement for information regarding Part 15 of the
Federal Communications Commission (FCC) rules and Industry Canada Standards
RSS-GEN/210/220/310. ...
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...