Some vehicle accessories may be used after the ignition is turned off.
The power windows and sunroof, if equipped, will continue to work for up to 10 minutes or until any door is opened.
The infotainment system will continue to work for 10 minutes, until the driver door is opened, or until the ignition is turned on or placed in ACC/ACCESSORY.
Engine Heater
Shifting Into ParkEliminating Unwanted Odors in Vehicles
GM Vehicle Care Odor Eliminator,GM-P/N-88861431(Canadian-P/N-88861436), may control oreliminate odors in the interior and luggage compartment areas of GMvehicles. This non-toxic, biodegradable, odorless product has beenshown to greatly reduce or remove the following types ofodor:Objectionable smells ...