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:

    Wheel Replacement
    Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, replace it. ...

    Locking passengers’ windows
    When the window lock button is depressed, only the driver’s side window can be opened or closed. Push it again to cancel the window lock function. ...

    Replacing a Front Turn Signal/Parking Light Bulb
    1.  Open the hood. To change the turn signal bulb on the passenger’s side, remove the engine coolant reserve tank by pulling it out of its stay. Driver’s side on V6 models Remove t ...