Change Battery In Acura Mdx Key Fob. Once it is opened use a flathead screwdriver to take the dead battery out. Depending on the key fob your Acura uses the steps may differ slightly.

Depending on the key fob your Acura uses the steps may differ slightly. Acura key fob cover cost about 10-15 and definitely worth the price. So I took that key into my house Driver 1 and started the car with my backup key Driver 2.
A CR2032 Button Cell.
Press the tab and remove the metal key. Use the metal key to pry open the fob via the opening the metal key came from. I recently got an informational warning on my dashboard about a low key battery. Use it to open the outer cover on the key.

