2007 GMC Yukon Owner's Manual - Page 468

Notice: If you leave your radio or other accessories on during the jump starting procedure, they could be damaged. The repairs would not be covered by your warranty. Always turn off your radio and other accessories when jump starting your vehicle. 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 the lamps that are not needed. This will avoid sparks and help save both batteries. And it could save the radio! 4. Open the hood on the other vehicle and locate the positive (+) and negative (−) terminal locations on that vehicle. Your vehicle has a remote positive (+) jump starting terminal and a remote negative (−) jump starting terminal. You should always use these remote terminals instead of the terminals on the battery. The remote positive (+) terminal, if equipped, is located under a red plastic cover at the positive battery post. To uncover the remote positive (+) terminal, open the red plastic cover. The remote negative (-) terminal is a stud located on the right front of the engine, where the negative battery cable attaches. See Engine Compartment Overview on page 436 for more information on the location of the remote positive (+) and remote negative (−) terminals. {CAUTION: An electric fan can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan. 468