Black plate (39,1)Cadillac STS Owner Manual - 2011Notice: Ignoring these steps could result in costlydamage to the vehicle that would not be covered bythe warranty.Trying to start the vehicle by pushing or pulling itwill not work, and it could damage the vehicle.1. Check the other vehicle. It must have a 12-voltbattery with a negative ground system.Notice: If the other vehicle's system is not a 12-voltsystem with a negative ground, both vehicles canbe damaged. Only use vehicles with 12-volt systemswith negative grounds to jump start your vehicle.2. Get the vehicles close enough so the jumpercables can reach, but be sure the vehicles are nottouching each other. If they are, it could cause aground connection you do not want. You would notbe able to start your vehicle and the bad groundingcould damage the electrical systems.To avoid the possibility of the vehicles rolling, setthe parking brake firmly on both vehicles involvedin the jump start procedure. Put an automatictransmission in P (Park) or a manual transmissionin NEUTRAL before setting the parking brake.Notice: If you leave the radio or other accessorieson during the jump starting procedure, they couldbe damaged. The repairs would not be covered bythe warranty. Always turn off the radio and otheraccessories when jump starting the vehicle.3. Turn off the ignition on both vehicles. Unplugunnecessary accessories plugged into thecigarette lighter or the accessory power outlets.Turn off the radio and all lamps that are notneeded. This will avoid sparks and help save bothbatteries. And it could save the radio!4. Open the hoods and locate the positive (+) andnegative (−) terminal locations or the remotepositive (+) and remote negative (−) terminals ofthe other vehicle. Then locate the remotepositive (+) location on your vehicle. See EngineCompartment Overview on page 6‑13 for moreinformation on locations the terminals.6-39