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:
Safety
Six standard airbags include side-impact, side curtain-type and a new
dual-depth front passenger unit that deploys either shallow or deep depending on
crash severity, seat belt usage and occupant ...
Tire Pressure Monitor
This vehicle may have a Tire Pressure Monitor System (TPMS).
The TPMS warning light alerts you to a significant loss in pressure of one
of the vehicle's tires. If the warning light comes on, s ...
Tips and Troubleshooting
IR Sensor Inoperative: Check that the batteries are good in the remote control.
Check that the remote Control IR Sensor is not blocked. Aim the remote control toward
the IR Sensor being controlled ...