How To Safely Disconnect A Battery. Use an 8mm ratchet to loosen and then move it safely. Lets take a closer look at the exact process you should follow to disconnect your car battery safely.
Once the clamp is off move it safely out of the way. Before you begin switch the ignition off and remove the key. Use a wire brush to remove any corrosion or buildup on the battery terminals before you put it back in the car.
Never ever try to disconnect the battery of your car without first turning the ignition off.
Watch more How to Make Simple Car Repairs videos. To do this in most cars you need to push or pull on a release mechanism located in the cabin of the car. Put on work gloves and safety goggles if you have them available. Never ever try to disconnect the battery of your car without first turning the ignition off.
