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crwdns2944351:0crwdnd2944351:0How to Disconnect a Car or Truck Batterycrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Jeff Suovanencrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Jeff Suovanen

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Introduction
It's always a good idea to disconnect the battery before working on your vehicle's ignition system or other electrical components. (If you need to fully remove or replace the battery, [https://www.ifixit.com/Guide/Car+and+Truck+Battery+Replacement/66817|follow this guide instead].)
This guide uses a Toyota Corolla to demonstrate the procedure, which is similar for most motor vehicles.
'''Note''': Disconnecting your battery may erase certain stored settings, such as radio/navigation presets and power window memory. Consult your owner's manual for details.