What do I do if my car wont recognize my key fob?

If your car doesn’t detect the key fob, the easiest solution is to use the physical backup key instead. Some cars can use either method to unlock the doors and start the engine.

What should I do if my key fob is not working?

You should also consider that the problem may be with your car itself and not your key fob. You may want to examine the possibility that your car battery has died, which can cause similar issues. Using a spare key fob can be the best way to test whether the problem lies in the key or in the vehicle.

Can a car FOB be used to unlock a car?

These vehicles still usually have a physical key for locking and unlocking the doors, but it may be hidden. The key fob will often have a hidden key inside, so if you don’t have a physical key for your vehicle, then check the fob for a release button or switch.

What are the common problems with Mercedes key fobs?

Common Mercedes Key Fob Problems Go to top 1 Mercedes key fob not working after battery change 2 Mercedes remote doesn’t work anymore 3 Keyless remote doesn’t lock/unlock the car 4 Mercedes key fob won’t unlock doors 5 Panic button doesn’t work 6 Trunk unlock doesn’t work

Can You reprogram your car key fobs at home?

Take your key fobs with you and leave the vehicle and close all doors. Test to both unlocks with all your key fobs that got programmed to verify the function. For some cars, reprogramming key fobs may not be easy, and in that car, specialist hardware may be required.

What to do when your car key fob is not working?

Once the above steps are performed, turn the ignition back to the ‘Off’ position to terminate the programming procedure. Take your key fobs with you and leave the vehicle and close all doors. Test to both unlocks with all your key fobs that got programmed to verify the function.

Do you need to reprogram your key fobs?

For some cars, reprogramming key fobs may not be easy, and in that car, specialist hardware may be required. Typically, we would suggest that you call your authorized car dealer to take care of the situation, but this can be expensive.

What to do if your intelligent key stops working?

After searching the internet for my Intelligent key problem that had stopped working here is the answer that worked. Remove key from the back of key fob, press start button twice inside of car but be sure not to start the vehicle.

Why is my smart key not working on my car?

Before reconnecting the battery again, make sure the keyfob is inside the car. The ECU apparently only attempts to reprogram the remote functions on a cold boot and if the key fob is not within range, it won’t work. Both of my remotes were dead and I did this on each one – one at a time.