Do you have to reprogram key fob after replacing battery?
Do you have to reprogram key fob after replacing battery? After replacing the battery in the key fob remote, you will need to reprogram the remote to the vehicle. This is why the alarm is being tripped for the computer is not recognizing the remote. The key fob (remote) will need to be reprogrammed to the vehicle to access the doors when the ignition is turned off. Why does my Dodge Ram say no key fob detected? I have the push button start, and of course that didn't work either, saying no keyfob detected. After about a minute of this...