Buick Encore Owners & Service Manuals

Buick Encore: Engine Heater

Vehicles may have an engine heater. The engine heater can help in cold weather conditions at or below −18 ºC (0 ºF) for easier starting and better fuel economy during engine warm-up. Plug in the heater at least four hours before starting the vehicle. An internal thermostat in the plug end of the cord will prevent engine heater operation at temperatures above −18 ºC (0 ºF).


Do not plug in the engine block heater while the vehicle is parked in a garage or under a carport.

Property damage or personal injury may result. Always park the vehicle in a clear open area away from buildings or structures.

To Use the Engine Heater

  1. Turn off the engine.

To Use the Engine Heater

  1. Open the hood and unwrap the electrical cord. The cord is in the driver side of the engine compartment, near the battery.

    It is shipped from the factory with a tie holding it in place.

    Use care in removing the tie so that the cord is not damaged.

Check the heater cord for damage. If it is damaged, do not use it. See your dealer for a replacement. Inspect the cord for damage yearly.

  1. Plug it into a normal, grounded 110-volt AC outlet.


Improper use of the heater cord or an extension cord can damage the cord and may result in overheating and fire.

  • Plug the cord into a three-prong electrical utility receptacle that is protected by a ground fault detection function. An ungrounded outlet could cause an electric shock.
  • Use a weatherproof, heavy-duty, 15 amp-rated extension cord if needed.

    Failure to use the recommended extension cord in good operating condition, or using a damaged heater or extension cord, could make it overheat and cause a fire, property damage, electric shock, and injury.

  • Do not operate the vehicle with the heater cord permanently attached to the vehicle. Possible heater cord and thermostat damage could occur.
  • While in use, do not let the heater cord touch vehicle parts or sharp edges. Never close the hood on the heater cord.
  • Before starting the vehicle, unplug the cord, reattach the cover to the plug, and securely fasten the cord.

    Keep the cord away from any moving parts.

  1. 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.

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.

Retained Accessory Power (RAP)

When the ignition is turned from on to off, the following features (if equipped) will continue to function for up to 10 minutes, or until the driver door is opened. These features will also work when the ignition is in RUN or ACC/ ACCESSORY:

  • Infotainment System
  • Power Windows (during RAP this functionality will be lost when any door is opened)
  •  Sunroof (during RAP this functionality will be lost when any door is opened)
  • Auxiliary Power Outlet
  • Audio System
  • OnStar System


     Shifting Into Park

    Hold the brake pedal down and set the parking brake. See Parking Brake Move the shift lever into P (Park) by pressing the button on the shift lever and pushing the lever all the way toward the

     Shifting out of Park

    This vehicle is equipped with a shift lock control. The shift lock control is designed to prevent movement of the shift lever out of P (Park) unless the ignition is on and the brake pedal is applied.

     Parking over Things That Burn

    Warning Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. Extended Parking It is best not to p


     Immobilizer - Diagnostic information and procedures

    DTC B2955: Security sensor data circuit DIAGNOSTIC CODE INDEX DTC B2955: SECURITY SENSOR DATA CIRCUIT Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach.

     Securing Child Restraints (With the Seat Belt in the Front Seat)

    This vehicle has airbags. A rear seat is a safer place to secure a forward-facing child restraint. See Where to Put the Restraint In addition, the vehicle has a passenger sensing system which is designed to turn off the front outboard passenger frontal airbag and knee airbag (if equipped) under cert

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