Cadillac 2010 CTS Owner's Manual

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8-18 Driving and OperatingIgnition Positions(Key Access)The key can be turned to fourdifferent positions.To shift out of P (Park), the ignitionmust be in the ON/RUN or ACC/ACCESSORY and the brake pedalmust be applied.Notice: Using a tool to force thekey from its cylinder could causedamage or break the key. Use thecorrect key and turn the key onlywith your hand. Make sure thekey is all the way in. If it is andyou have a manual transmissionvehicle, turn the steering wheelleft and right while you turn thekey hard. If none of this works,then the vehicle needs service.A (LOCK/OFF): This is the onlyposition in which the key can beinserted or removed. This positionlocks the ignition and shifter onautomatic transmission vehicles,and the ignition and steering wheelon manual transmission vehicles.B (ACC/ACCESSORY): Thisposition lets you use things like theradio and the windshield wiperswhen the engine is off. This positionallows you to turn off the engine.C (ON/RUN): This position is fordriving. It is the position the ignitionswitch returns to after the enginestarts, and the key is released.To shift the transmission out ofP (Park), the ignition key has to bein ACC/ACCESSORY or ON/RUN.The battery could be drained if thekey is left in the ACC/ACCESSORYor ON/RUN position with the engineoff. The vehicle might not start if thebattery is allowed to drain for anextended period of time.D (START): This position starts theengine. When the engine starts,release the key. The ignition switchreturns to ON/RUN for driving.A warning tone will sound when thedriver door is opened, the ignition isin ACC/ACCESSORY or LOCK/OFFand the key is in the ignition.