2010 Cadillac STS Owner's Manual - Page 126

Ignition Positions The vehicle has an electronic keyless ignition with pushbutton start. 9/Acc. (OFF/ACCESSORY) : Press to turn the engine off in any gear. If the shifter is in P (Park), RAP will engage if all doors are closed. RAP will turn off when a front door is opened. See Retained Accessory Power (RAP) on page 3‑26 for more information. If the engine is off, press this button to turn on the accessory mode. ACCESSORY ACTIVE will display on the Driver Information Center (DIC). Accessory mode allows use of the audio system and windshield wipers. Accessory mode must be used if the vehicle must be towed or in motion when the engine is not running. After the vehicle has been in accessory mode for more than 20 minutes, the vehicle will enter RAP or turn off, depending on if the doors are opened or closed. To shift out of P (Park), the vehicle must be running or in ACCESSORY mode and the regular brake pedal must be applied. / (START) : Press to start the engine with your foot on the brake pedal. The shifter must be in P (Park) or N (Neutral) and the keyless access transmitter must be in the vehicle. If the start button does not work, the vehicle may be near a strong radio antenna signal causing interference to the keyless access system. See DIC Warnings and Messages on page 4‑76 for more information. Retained Accessory Power (RAP) These vehicle accessories can be used for up to 20 minutes after the engine is turned off: ... Audio System Audio Steering Wheel Controls Power Windows Power to these accessories will work up to 20 minutes or until one of the front doors is opened. For an additional 20 minutes of operation, close all the doors and press Acc. to place the vehicle in accessory mode. Press the button again to return to RAP. 3-26