how to replace your car battery correctly without damage. I show important tips you must know before you see how to change your car 12 volt battery. also included 3 memory saving methods free just from watching example Schumacher, snap on otc or steelman, even e-z red memory saver automotive memory saver and solar, weego plus more obd2 memory saver vstm computer memory saver with so many to choose pt computer memory keeper, using 12 volt plug. you can even use jumper cables.