These vehicle accessories may be used for up to 10 minutes after the engine is turned off:
The power windows will continue to work for up to 10 minutes or until any door is opened. The radio will work when the key is in ON/RUN or ACC/ACCESSORY. Once the key is turned from ON/RUN to LOCK/OFF, the radio will continue to work for 10 minutes, or until the driver door is opened or the key is removed from the ignition.
Engine Heater
Shifting Into ParkPark 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 begins to roll. Be
ready to apply the regular brake at once should the vehicle begin to move.
Park on ...
Conversions and Add-Ons
Add-On Electrical Equipment
Caution
Some electrical equipment can damage the vehicle or cause components
to not work and would not be covered by the warranty. Always check with your dealer
before adding electrical equipment.
Add-on equipment can drain the vehicle's 12-volt battery, even i ...
OnStar Overview
Voice Command Button
Blue OnStar Button
Emergency Button
This vehicle may be equipped with a comprehensive, in-vehicle system that can
connect to a live OnStar Advisor for Emergency, Security, Navigation, Connection,
and Diagnostic Services. OnStar services may require a paid subscripti ...