Retained Accessory Power (RAP)

These accessories can be used after the engine is turned off:

- Audio system (up to 10 minutes or driver door is opened).

- Power windows, sunroof (if equipped), and power outlets (up to 10 minutes or any door is opened).

    See also:

    Rear Compartment Fuse Block (CTS-V Coupe and Sedan)
    The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block. The vehicle may not be equi ...

    When to Change Engine Oil
    This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and mile ...

    Belts
    - Belts may need replacing if they squeak or show signs of cracking or splitting. - Trained dealer technicians can inspect the belts and recommend replacement when necessary. ...