2013 Cadillac Escalade Owner Manual - Page 263

Driving and Operating Notice: If you add electrical parts or accessories, you could change the way the engine operates. Any resulting damage would not be covered by the vehicle warranty. See Add-On Electrical Equipment on page 9‑57. 9-21 Engine Coolant Heater Vehicles with the engine coolant heater can use this option in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coolant heater at least four hours before starting your vehicle. An internal thermostat in the plug-end of the cord may exist which will prevent engine coolant heater operation at temperatures above −18°C (0°F). { 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. If you do not, it could be damaged. Contact your dealer for information on how long to use the heater in your particular area. Retained Accessory Power (RAP) These vehicle accessories can be used for up to 10 minutes after the engine is turned off: ... Audio System Power Windows Sunroof (if equipped) To Use the Engine Coolant Heater 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. The cord is near the driver side strut tower. Remove the plastic cap to access the plug. 3. Plug it into a normal, grounded 110-volt AC outlet. Power to the audio system will work up to 10 minutes or until the driver door is opened. Power to the windows or sunroof will work up to 10 minutes or until any door is opened. For an additional 10 minutes of operation, close all the doors and turn the key to ON/ RUN and then back to LOCK/OFF.