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 reset the gearbox of the Smart 451?

Model: Smart Smart 451 - Years 2007-2015
Part: Warning light – error code

When the flashing letter N appears on the instrument panel display of the Smart 451, it means that the gear change is faulty. To be able to resolve this anomaly temporarily, it is possible to engage gear with the engine off. Subsequently, with the gear engaged and with the ignition key in position two, the car must be pushed so that it can start. Once the clutch is released during the push operation, the car will start. However, you must go to the workshop promptly to solve the problem and avoid worse damage.

Posted on 2 June 2022 by ScegliAuto

Video tutorial

Related tutorials

How do you reset the automatic gearbox of the Smart Brabus?
How do you reset the automatic gearbox of the Smart Brabus?
Smart (2007-2015 / 451) In order to reset the automatic transmission of the Smart Brabus, you need to connect a diagnostic tool to the OBD port of the vehicle: this port can…
Smart Fortwo 451 1.0 MHD clutch disassembly instructions
Smart Fortwo 451 1.0 MHD clutch disassembly instructions
Smart (2007-2015 / 451) In today's video tutorial we will see the main steps to be able to remove and replace the clutch in a Smart Fortwo 451 1.0 MHD. To access the clutch …
How do you replace the Smart 451 clutch?
How do you replace the Smart 451 clutch?
Smart (2007-2015 / 451) The clutch replacement operation on the Smart 451 is carried out by accessing the engine compartment of the car, which is located immediately under t…

Other guides you may be interested in

    Frequently Asked Questions

    • Smart 2007-2015 - What does error code P1700 indicate on a Smart Fortwo? Read answer
    • Smart 1998-2007 - Why does the ESP light turn on in the Smart 450? Read answer
    • Smart 2007-2015 - What does the yellow triangle light with exclamation mark on a Smart ForTwo mean? Read answer

How to Remove the Front Door Panel on a Volkswagen Polo

How to remove the driver’s side door panel on a Volkswagen Polo? This video explains the procedure. Before starting the disassembly, disconnect the battery terminals located in the engine bay. Use a lever to pry off the handle cover (remove the piece), then, with a screwdriver, unscrew the fastening screws in the handle inside the door panel. Unscrew the screws located in the plastic of the door opening lever. Use the lever to detach the retaining clips around the perimeter of the door panel. Finally, grasp the panel with your hands and lever it off the door. Disconnect the cable from the door opening lever and the power connectors for the window switch.

Watch the video!


by ScegliAuto

More videos