Buick Regal: Retained Accessory Power (RAP) - Starting and Operating - Driving and Operating - Buick Regal Owners ManualBuick Regal: 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)
► 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.

    Engine 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 hea ...

    Shifting Into Park (Automatic Transmission)
    WARNING It can be dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. If you have left the engine running, the ...

    See also:

    N (Neutral)
    This position is for restarting a stalled engine. In this position the wheels and transmission are not locked. In this position, the transmission is neutral; the vehicle will roll freely, even on t ...

    Spark plugs
    It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer. The spark plugs should be replaced according to the maintenance sched ...

    Towing
    General Towing Information The vehicle is neither designed nor intended to tow a trailer. ...