Controls
See also:
Before Driving Off-Road
Have all necessary maintenance and service work completed.
Fuel the vehicle, fill fluid levels, and check inflation pressure in all
tires, including the spare, if equipped.
Read all the info ...
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 ...
Potential Issues
Some OnStar services are disabled
after five days. OnStar cannot
perform Remote Door Unlock or
Stolen Vehicle Assistance after the
vehicle has been off continuously
for five days. After five ...






