Do it yourself
Frequently asked questions about cars and motorcycles
Car Tutorial (Do it yourself) Motorcycle Tutorial (Do it yourself) Frequently Asked Questions
  1. Questions and Answers
    2. :
  2. Smart
    3. :
  3. Smart
    4. : Why doesn't Smart recognize your key?

Why doesn't Smart recognize your key?
Years 2014-2021

Answer

A similar problem is often caused by a flat key battery, a fault in the central locking control unit, or a fault in the internal electric microcircuit of the aforementioned key.
Posted on: 13 January 2023 by ScegliAuto

Videos on similar topics (Key)

How to change the cabin air filter on Smart for two.
Smart (2007-2015 / 451) First you need to identify the position of the cabin air filter in the Smart for two. In this case, the same filter is located in the passenger compa
Smart Fortwo clock adjustment
Smart (2014-2022 / 453) Hi everyone! Today we are going to see an adjustment that will seem trivial to most but which is sometimes more complicated than expected. We are on
Installing a storage armrest on the Smart 450/451
Smart (2007-2015 / 451) Let's see how to easily install an armrest on a Smart 450/451 without making any holes. We can find it on Amazon for 46.99 (including delivery costs)

What to do if the Mini Cooper does not recognize the key?
Mini (2010-2016 / Countryman1, R60) In this video, we see a solution for the Mini Cooper that doesn't recognize the key. The YouTuber tried various methods, such as changing the key, ch
What to do if the Renault Megane doesn't recognize the card.
Renault Megane (2008-2015 / Megane III, Megane 3) In this video, we see a little trick to adopt if our Renault Megane doesn't recognize the card needed to start the car. Unfortunately, this method is
How do you program the Smart key?
Smart (2014-2022 / 453) To program the Smart key, you need to insert the new key you want to associate with the car's control unit into the ignition lock. Once the key is in
How do you program the Smart key?
Smart (2007-2015 / 451) In order to program the Smart key, it is necessary to use a diagnostic tool: you will need to insert the blank key into the block located on the cent
How to code the Smart key
Smart (2007-2015 / 451) In this video we will show you how to code the Smart key. Once the battery in the key has been changed, it may happen that the key is decrypted. What
Why doesn't the central locking system of the Smart Fortwo work? Answer: 27-06-2023
Where is the Smart's compressor located? Answer: 25-06-2023
Why does the Smart ForTwo struggle to start when it's cold? Answer: 25-06-2023
Where can I find the security code for the radio of Smart 452? Answer: 22-06-2023
What could be the problem with the central locking of the Smart Fortwo? Answer: 20-06-2023
Why does the automatic transmission of the Smart 451 get stuck? Answer: 20-06-2023
Where is the ABS control unit located in the Smart 451? Answer: 20-06-2023
Where is the alternator fuse located in the Smart car? Answer: 20-06-2023
What is included in the Smart ForTwo's service? Answer: 20-06-2023
What does the maintenance light on the Smart 450 indicate? Answer: 19-06-2023
What problems can the Smart mhd have? Answer: 18-06-2023
How to reset the service on Smart 451? Answer: 17-06-2023
Where is the water poured into the Smart car? Answer: 17-06-2023
Can the panoramic roof of a Smart car break? How much does it cost to replace it? Answer: 15-06-2023
How do you replace the thermostat valve on a Smart 450? Answer: 15-06-2023
How many kilometers does the Smart 1000 engine last and how much does it consume? Answer: 15-06-2023
What is the amount of engine oil that goes into the Smart 453? Answer: 14-06-2023
What do the three illuminated lines on the Smart dashboard represent? Answer: 14-06-2023
Where is the battery located in the Smart 451? Answer: 14-06-2023
What problems does a Smart Fortwo have? Answer: 14-06-2023