2013 Buick Regal Owner Manual - Page 219

Driving and Operating the plug-end of the cord will prevent engine coolant heater operation at temperatures above −18°C (0°F). 3. Plug it into a normal, grounded 110-volt AC outlet. 9-23 Retained Accessory Power (RAP) These vehicle accessories can be used for up to 10 minutes after the engine is turned off: ... To Use the Engine Coolant Heater 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. { WARNING Plugging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong kind of extension cord could overheat and cause a fire. You could be seriously injured. Plug the cord into a properly grounded three-prong 110-volt AC outlet. If the cord will not reach, use a heavy-duty three-prong extension cord rated for at least 15 amps. 4. Before starting the engine, be sure to unplug and store the cord as it was before to keep it away from moving engine parts. Audio System Power Windows Sunroof (If Equipped) Auxiliary Power Outlet Power to the audio system will continue to operate for up to 10 minutes or until the driver door is opened. Power to the power windows and sunroof will continue to operate for up to 10 minutes or until any door is opened. All of these features will work when the ignition is in ON/RUN or ACC/ ACCESSORY. The electrical cord is located on the passenger side of the engine compartment, between the fender and the air cleaner. The length of time the heater should remain plugged in depends on several factors. Ask a dealer in the area where you will be parking the vehicle for the best advice on this.