1993 Buick LeSabre Owner's Manual - Page 201

'A CAUTION: 'A I CAUTION: You could be injured if the vehiclesroll. Set the parking brake firmly on each vehicle. Put an automatic transaxle in "P" (Park) or a manual transaxle in "N" (Neutral). 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. 3. Turn off the ignition on both vehicles. Turn off all lights that aren't needed, andradios. This will avoid sparks and help save both batteries. And it could save your radio! Find the positive (+) and negative (-) terminals on each battery. If you leave your radio on, It could be m y damaged. Therepairs wouldn't be covered by your warranty. 4. Open the hoods and locate the batteries. 1