Did you just replace the battery on your car key, but it's still not working? That can be pretty frustrating! Fortunately, there are a few common causes and solutions.

1. Is the battery inserted incorrectly?

It can happen that the battery is not inserted properly. Check that the plus and minus terminals are correctly aligned. In doubt? Check out our car key batteries to find the correct batteries and placement information.

2. Does the key need to be resynchronized?

Some car keys need to be re-synced to the car after battery replacement. This process varies by make and model.

3. Are the contact points dirty or damaged?

Dirt or oxidation on the metal contact points in your key can prevent the battery from making proper contact. Check out our car key housings for replacement parts or advice.

4. Problems with key electronics?

If the key still doesn't work, the problem may lie in the internal electronics. Our experts can often fix this. Visit our car key repair service for more information.

5. Are you using the right battery?

Car keys need specific batteries. Check the type and voltage to make sure you have the right one. Visit our battery page for more information and to order the right battery.

Need help troubleshooting the problem? Contact our customer service or visit our car key product pages to proceed directly. We'll get you back on the road quickly!