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:

    Rapid air pressure loss
    Rapid air pressure loss or a blow-out can occur if the tire is punctured or is damaged due to hitting a curb or pothole. Rapid air pressure loss can also be caused by driving on under-inflated tir ...

    Windshield Wiper/Washer
    The windshield wiper lever is on the side of the steering column. 2: Use for fast wipes. 1: Use for slow wipes. Turn the band up for more frequent wipes or down for less frequent wipes. Us ...

    Electric control type
    The outside mirror remote control only operates when the ignition switch is in the ACC or ON position. Rotate the control lever to select the right or left mirror. Adjust the mirror to the desir ...