Over time, your key fob’s battery will eventually die leaving you without easy access to your vehicle. Assuming you have a smart key with keyless entry and ignition and no physical key, it can be confusing to try and figure out how to unlock and start your vehicle until you can get a battery replacement. We have included some tips and tricks for unlocking and starting your vehicle with a dead key fob battery below.
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How To Unlock and Start Your Car With a Dead Key Fob Battery
Unlocking Your Vehicle
Most smart keys will have a physical key hidden inside the key fob. Look for a small lever or release button on the side or bottom of the fob that will free the key. Once you have the key in hand, open your vehicle like normal. Some models also have a hidden keyhole. Look near the door handle for a small gap in the exterior which may indicate a hidden door.
Some brands also offer remote vehicle access, though it’s likely that you would have had to sign up for the service in advance of being locked out of your vehicle. If you do find yourself unable to enter your vehicle once or twice, it could be a good idea to see if your vehicle offers a remote access subscription.
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Starting Your Car
The key fob battery is also what powers the push button start feature in your vehicle. Before pressing the button as normal, hold your key fob up close to the push button start, so any small signal from the battery can reach the controls. This should work for a few days after your key fob’s battery is no longer powerful enough to open the door. It’s important to replace your battery ASAP before all of the juice is gone and you can no longer start your vehicle.