1993 Cadillac DeVille Owner's Manual - Page 240

loring these steps could rt L in costly damage to YOU l t rehicle that wouldn't bt lvered bv v o w warranh Trying to startyour Cadillac by pushing or pulling it won'twork, and it could damage your vehicle. TO JUMP STAlzT YOUR CADILLAC: 1. Check the othervehicle. It must have a 12-volt battery with a negative ground system. 2. Get thevehicles close enough so the jumper cables can reach, butbe sure thevehicles aren't touching each other. If they are, it could cause a ground connection you don't want. You wouldn't be ableto start your Cadillac, and thebad grounding could damage the electrical systems. A CAUTION: You could be injured if the vehicles roll. the parking brake Set firmly on each vehicle.Put an automatic transaxlein "P" (Park). 3. Turn off the ignition on both vehicles. Turn off all lights that aren't needed, and radios. This will avoid sparks and help save both batteries. And it could save your radio! 227