If you’ve noticed that your Toyota key fob is becoming less responsive, it’s likely time to change the battery. A weak or dead battery can lead to inconvenience, such as difficulty locking or unlocking your car or even starting the engine remotely.

Try locking and unlocking your car. If it doesn't work, double-check the battery placement and make sure the case is closed properly. If you're having trouble replacing the battery or if the key fob still doesn't work after changing the battery, it might be time to visit a Toyota Service Center in Stamford, CT.

Most Toyota key fobs use a CR2032 battery. You can find these at any store or online. You'll also need a small flathead screwdriver to open the key fob. Step 2: Remove the Key First, take the key out of the fob. Look for a little metal button near the key part of the fob. Press this button and pull the key out.

Your key fob battery can sometimes fail and cause a problem when starting the vehicle. Follow these steps to start a Toyota vehicle with a dead smart key fob battery. Place the smart key fob near the Start Stop button. Depress the brake pedal. Press the Start Stop Button.