If the car key battery dies in your car, here are a few steps you can follow:
1. Try to unlock the car manually
Some car key fobs have a hidden key blade that can be used to manually unlock the car's doors. Look for a small release button or switch on the key fob case to access the physical key. Use this key to unlock the door manually.
2. Start the car
Once inside the car, check if your key fob has a backup key (usually located near the key release button or in a separate key fob). Use the backup key to start the car's ignition.
3. Replace the key battery
Purchase a replacement battery for your key fob. Most key fobs have a removable battery compartment that can be accessed by removing a small cover. Replace the battery with a new one, ensuring it is inserted correctly based on the battery orientation markings.
4. Program the key fob
After replacing the battery, your key fob may need to be reprogrammed to work with your car. Refer to the car's manual or contact a professional automotive technician for specific instructions on how to program your key fob.
If these steps do not work or you are unsure how to proceed, it is recommended to contact your car manufacturer's customer support or a professional locksmith for further assistance.