bobbyd Posted March 30, 2022 Share Posted March 30, 2022 I noticed the dash screen on my Cmax indicating "no key detected" when trying to start my car the last few days. I now cannot remote start my car or lock my doors with the key fob! I have a second key fob that I am using now! So, anyone know if the inoperable key fob require a battery.....? It's 4 years old! Quote Link to comment Share on other sites More sharing options...
bobbyd Posted March 30, 2022 Author Share Posted March 30, 2022 I found the answer. https://m.youtube.com/watch?v=a7E2p34NfLY Quote Link to comment Share on other sites More sharing options...
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