GMC Terrain: Engine Coolant Heater - Starting and Operating - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: Engine Coolant Heater

The engine coolant heater, if available, can help 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 the vehicle. An internal thermostat in the plug-end of the cord will prevent engine coolant heater operation at temperatures above −18°C (0°F).

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) Power to the audio system will ...

To Use The Engine Coolant Heater
1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. The electrical cord is located on the passenger side of the engine compartment, in front of the air cleaner. 3. Plug it in ...

See also:

Spark Plugs
Spark Plugs Spark Plugs You should inspect spark plugs periodically for carbon deposits. When carbon accumulates on a spark plug, a strong spark may not be produced. Remove carbon deposits wit ...

Braking System
Your vehicle is equipped with disc brakes at all four wheels. A power assist helps reduce the effort needed on the brake pedal. The anti-lock brake system (ABS) helps you retain steering con ...

Safety note
- Do not disassemble or modify this system. If you do, it may result in accidents, fire, or electric shock. - Do not use this system if you notice any abnormality, such as a frozen screen ...