2010 Cadillac CTS Owner's Manual - Page 404

9-104 Vehicle Care 3. Turn off the ignition on both vehicles. Unplug unnecessary accessories plugged into the cigarette lighter or the accessory power outlets. Turn off the radio and all lamps that are not needed. This will avoid sparks and help save both batteries. And it could save the radio! 4. Open the hoods and locate the positive (+) and negative (−) terminal locations or the remote positive (+) and remote negative (−) terminals of the other vehicle. Then locate the remote positive (+) location on your vehicle. See Engine Compartment Overview on page 9‑6 for more information on locations the terminals. 2. Get the vehicles close enough so the jumper cables can reach, but be sure the vehicles are not touching each other. If they are, it could cause a ground connection you do not want. You would not be able to start your vehicle and the bad grounding could damage the electrical systems. To avoid the possibility of the vehicles rolling, set the parking brake firmly on both vehicles involved in the jump start procedure. Put an automatic transmission in P (Park) or a manual transmission in Neutral before setting the parking brake. Notice: If you leave the radio or other accessories on during the jump starting procedure, they could be damaged. The repairs would not be covered by the warranty. Always turn off the radio and other accessories when jump starting the vehicle. Your vehicle has a remote negative (−) ground location, as shown in the illustration. It is located on the rear passenger side of the vehicle . See Engine Compartment Overview on page 9‑6. You should always use this remote ground location, instead of the terminal on the battery.