What to Do When Your Car Key Doesn't Work Your car key is a small yet essential piece of technology that grants you access to your vehicle. However, encountering issues with your car key, such as it not working, can be frustrating and inconvenient. Whether your key isn't turning in the ignition, fails to unlock the doors, or doesn't function remotely, there are steps you can take to troubleshoot the problem before seeking professional help. Here's a comprehensive guide on what to do when your car key doesn't work: Check the Basics: Start with the basics. Ensure you're using the correct key for your vehicle. Sometimes, having multiple keys for different cars can lead to confusion. Battery Status: For remote key fobs, a depleted battery could be the culprit. Replace the battery and see if the key starts functioning again. Manufacturers often provide instructions on changing the battery in the user manual. Physical Damage: Inspect your key for physical damage...