Some luxury car makers like mercedes make changing the keyless remote battery much more difficult.
Car door remote control battery.
Most battery compartments in remotes use a plus sign to indicate where the positive end of the battery should go.
If your car key remote works after replacing the battery then you re done.
Also if your remote isn t working with a new battery please check out this video for two common fixes.
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The battery in your remote usually lasts between 2 and 5 years depending on the battery and how often you use your remote.
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How to change the battery in your car remote.
Like most electronic gadgets these days your garage door opener remote is operated by a battery.
That garage door remote control is an extremely handy little gadget allowing you to open and close your garage door without ever leaving your car.
Check the car remote s battery by either replacing it with a new battery or conducting a battery check consult your car remote manual to find out how to check the battery for your specific unit.
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If the remote still doesn t work then there could be another problem with the remote like broken battery contacts or a problem with the buttons.
The next slides show you how to change a battery in just a few steps.
You ve fixed the problem and you can go back to using your key fob as normal.