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:

    Vehicle Stability Assist (VSA ), aka Electronic Stability Control (ESC), System
    The vehicle stability assist (VSA) system helps to stabilize the vehicle during cornering if the vehicle turns more or less than desired. It also assists you in maintaining traction while ac ...

    Enhanced Seat Belt Use Reminder System (BeltAlert )
    BeltAlert is a feature intended to remind the driver and front passenger (if equipped with front passenger BeltAlert ) to fasten their seat belts. The feature is active whenever the ignition is ...

    Checking and replacing fuses
    If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. Vehicles without a smart key system: Turn the engine swit ...