See also:

Draining of coolant water
If the vehicle is to be left outside without antifreeze, drain the cooling system, including the engine block. Refill before operating the vehicle. For details, see “Engine cooling system”. ...

Engine block heater (if so equipped)
Engine block heaters are used to assist in cold temperature starting. The engine block heater should be used when the outside temperature is 208F (−78C) or lower. To use the engine bloc ...

Vehicle Security System
The vehicle security system provides visual and audio alarm signals if someone opens the doors, hood, or lift gate when the system is armed. It is not, however, a motion detection type system ...