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:
Fuel Additives
To provide cleaner air, all gasolines
in the United States are now
required to contain additives that
help prevent engine and fuel system
deposits from forming, allowing the
emission control ...
Transmission Messages
SERVICE TRANSMISSION
This message displays if there is a problem with the transmission. See your dealer.
SHIFT TO PARK
This message displays when the transmission needs to be shifted to P (Park).
...
Turn and Lane-Change Signals
An arrow on the instrument
panel cluster flashes in the
direction of the turn or
lane change.
For vehicles with the side blind zone alert system, an
arrow in the outside mirror flashes when ...
