Home → Q&A Forum → Car Key Programming → Question Details

Why won’t my car start after replacing the key fob battery?

My key remote battery died, so I swapped in a new CR2032 button battery. Now the buttons lock and unlock the car fine, but when I press the push-start button, the car displays Key Not Detected. Did the fob lose its sync?

Looking for a Verified Car Key Programming Specialist?

Compare verified profiles, starting rates, and customer reviews from licensed car key programming contractors.

Find Local Car Key Programming Pros →

Expert Answers 0

Awaiting expert review and advice. Are you a registered provider in this category? Write your answer below!

Write Your Expert Answer

Certified local experts are ready to answer. If you are an industry pro, please log in to submit your expert answer.

Home Search Feed Login