OnStar Overview
EmergencyFuel 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 system to work properly. In most cases, nothing should
have to be added to the fuel.
However, some gas ...
Starter Switch Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the
vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room around the vehicle.
2. Firmly apply both the parking brake and the regular brake.
Do not use the accele ...
Remote Keyless Entry (RKE) System Operation
The transmitter functions may work up to 60m(195 ft) away from the vehicle. On
vehicles with remote start the distance will be greater.
Keep in mind that other conditions, such as those previously stated, can impact
the performance of the transmitter.
(Lock): Press to lock all doors.
The t ...