On 2007 mazda cx 9 grand touring is red KEY sign on

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Asked by Maor Nov 08, 2014 at 09:56 PM about the 2007 Mazda CX-9 Grand Touring AWD

Question type: Maintenance & Repair

I can't use the fobs in doors for locking and unlocking. They told me to change rear keyless entry antenna. I did but the sign is still on? What should I do?

12 Answers
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TransAm77 answered 9 years ago

Red key light usually means the battery in the fob needs to replaced.

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TransAm77 answered 9 years ago

Ok, not being a smart butt here, is the battery installed correctly? Are the metal contacts that hold the battery damaged in any way?

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Maor answered 9 years ago

Smart key works but not the buttons on the doors for locking and unlocking?

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TransAm77 answered 9 years ago

So you can start the car but the lock, unlock, trunk and alarm buttons on the key fob do not work? Am I correct?

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Maor answered 9 years ago

From outside there are buttons on the doors for locking and unlocking doors without bringing the key out.

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TransAm77 answered 9 years ago

Ahhh ok sounds like the fob needs to be reprogrammed. The car can't tell that the proximity key is present so it won't unlock the doors.

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TransAm77 answered 9 years ago

Did they tell you what that code is? Or is that he code for the antenna?

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