Advanced Keyless Entry Not Working - Help!!

jKmazda

Member
:
2009 Mazda CX-7 Grand Touring AWD
I just purchased a used 2009 CX-7 on Friday. There is an issue with the advanced keyless entry. I am able to lock/unlock my doors with the key fob (I had to replace the battery on Saturday) but when I try to use the buttons on the door or hatch they do not work. Also, to start the car I have to use the metal key not the smart knob. When I try to use the smart knob, I get the red flashing "KEY" illuminated on the dashboard and it won't let me turn the knob. It is almost like it doesn't know the key is there but yet I can unlock/lock with the buttons on the fob so it is linked somehow.

Just wondering if anyone has experienced this before and figured out the issue? Was it a simple reprogramming of the fob or something else?

Thanks!!!
 
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