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:

Note for the entry function
●Even when the electronic key is within the effective range (detection areas), the system may not operate properly in the following cases. • The electronic key is too close to the window or ...

Blizzard Conditions
Being stuck in snow can be a serious situation. Stay with the vehicle unless there is help nearby. If possible, use the Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside ...

Type C audio set (if equipped)
Type C audio set (if equipped) The audio set will operate only when the ignition switch is in the “Acc” or “ON” position. - Power and audio controls: refer to page - Radio operation: ...