Safety Locks
Safety Locks
Press o 
to activate the safety
locks on the rear doors. The
LED (A) comes on when activated.
The rear door power windows are also disabled.
Press o again to deactivate the
lockout switch.
If the light flashes, the feature may not be working properly.
See also:
Park Brake and P (Park) Mechanism Check
WARNING
When you are doing this check, the vehicle could begin to move. You or others
could be injured and property could be damaged. Make sure there is room in front
of the vehicle in case it ...
Drunk Driving
WARNING
Drinking and then driving is very dangerous. Your reflexes, perceptions, attentiveness, and judgment can be affected by even a small amount of alcohol. You can have a serious — or even f ...
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 ...