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key FOB blinking red and green despite battery change

jakewise

New Member
Joined
Jan 23, 2021
Messages
6
Location
Philippines
Car
w202
This is the first time I experienced the blinking red and green lights on the door and rear view mirror for about 10 seconds despite battery change twice alrready using different brands as I thought it was a battery issue in both my key FOB, however, the car still starts, locks and unlocks. I tried pointing the key fob directly to the rear view mirror for 5 seconds and start the car in 30 seconds as what i read in some forums for synchronization but it still did not work, any thoughts on this issue?
 

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