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I can't lock my doors with my key fob and my car wouldn't…

Customer Question
I can't lock my...

I can't lock my doors with my key fob and my car wouldn't start either

Mechanic's Assistant: Have you checked the fob's battery?

My husband said the battery is still working cos light is still flashing

Mechanic's Assistant: What is the model/year of your Mazda?

2014 mazda cx9

Mechanic's Assistant: Are you fixing your CX-9 yourself? What have you tried so far?

Yes I will cos I'm at work and I need to get home somehow. this morning after I took out the keys from the key fob and waited about 15 mins without doing anything when I tried to start the car it worked and I drove to work but once I got to work noticed it wouldn't lock so I anticipate having the same problem later

Submitted: 6 months ago.Category: Mazda
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Answered in 7 minutes by:
1/5/2018
Mazda Mechanic: Mike V., Technician replied 6 months ago
Mike V.
Mike V., Technician
Category: Mazda
Satisfied Customers: 27,539
Experience: 25 yrs. experience with all makes and models. Factory trained on Nissan and Subaru.
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Mazda Mechanic: Mike V., Technician replied 6 months ago

Does the car make any sounds when you try to start it?
Also, what light is flashing? The security light?

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Customer reply replied 6 months ago
the sound that says you need keys to start
Mazda Mechanic: Mike V., Technician replied 6 months ago

Ok

if the only light flashing is the security light, its quite possible you are dealing with a battery problem. That light is a small LED light that takes almost no voltage to work.

That being said, if it's thinking you don't have the key, it's possible the fob battery is the issue. I would first try a jump start and see if the fob starts working to lock and unlock the doors. If it does, then it's likely the car will start. If not, if you have a second fob I would try that. If you don't, then try changing the battery in the fob you have. If that won't do it, then the key may need to be programmed by the dealer.

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