OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor.
To change the OnStar PIN, call OnStar and provide the Advisor with the current number.
See also:
Hill and Mountain Roads
Driving on steep hills or through
mountains is different than driving
on flat or rolling terrain. Tips for
driving in these conditions include:
- Keep the vehicle serviced and in
good shape.
...
Remote Vehicle Start
This feature allows you to start the engine from outside of the vehicle. It may
also start up the vehicle's heating or air conditioning systems and rear window
defogger. Normal operation of th ...
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 ...






