Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Disable the Immobiliser on the Smart 450?

Model: Smart Smart 450 - Years 1998-2007
Part: Checks and maintenance

When the immobiliser warning light appears on the dashboard of the Smart 450, it means that the ignition key inserted is not recognised: this often occurs due to a coding error. To resolve this error, use a scanner connected to the vehicle's OBD port: once the scanner is connected, follow the instructions shown in the tutorial to reset the error that activates the immobiliser. This way, you can disconnect the scanner and verify that the key functions correctly.

Updated on 5 July 2026 by ScegliAuto

Video tutorial

Related tutorials

How to unlock the immobiliser on the Smart Fortwo?
How to unlock the immobiliser on the Smart Fortwo?
Smart (1998-2007 / 450) If the immobiliser light appears on the Smart display and starting the vehicle is prevented, there are two possibilities. The first is to enter the c…
The Immobiliser of the Smart Fortwo.
The Immobiliser of the Smart Fortwo.
Smart (1998-2007 / 450) In this video tutorial, you can see the issues related to the immobiliser on the Smart Fortwo. The immobiliser is a security system that prevents the…
How do you deactivate the alarm system of the Smart 450?
How do you deactivate the alarm system of the Smart 450?
Smart (1998-2007 / 450) Let's talk about the Smart 450, a car for which a presentation video has been inserted, delving into the topic of anti-theft. Is it possible to bypas…

Other guides you may be interested in

    Frequently Asked Questions

    • Smart 1998-2007 - How do you unlock the Smart Fortwo immobilizer? Read answer
    • Smart 1998-2007 - Where is the horn of the Smart 450 located? Read answer
    • Smart 1998-2007 - Where is the jack on a Smart ForTwo? Read answer

How to Open the Fuel Cap of the Volkswagen Jetta

When you need to refuel this vehicle, first open the fuel filler flap. Follow these simple instructions, and you can also watch the video for more details. First, unlock the central locking to open the flaps. Then, press the fuel cap with your hand to unlock it and open it. Underneath, you will find the fuel cap, which you need to unscrew counterclockwise. At this point, you can proceed to refuel.

Watch the video!


by ScegliAuto

More videos