Smart - Video tutorial. Model: Smart Smart 453 - Years 2014-2022. Part: Car stereo. Operation: How to reset the radio of a Smart Fortwo. I recommend carrying out this operation with the battery disconnected, in order to avoid risks. Before we can begin, we will need to open the glove box. Smart can obtain this code for you (price unknown) that, when entered into the stereo, will reset the security code back to 0000 allowing you to turn the stereo on, gain access to the menus and change the security code to something you'd remember. Don't forget it again as the reset code works once. Write down your VIN number and visit your nearest MB/smart dealeship. They can look up the 4 digit unlock code for you. If your owner's document package is complte, the code may also be in there.Bil I've had my Smart a year and I keep discovering things about it. I just happened upon the Security Code setting in the radio. I bought my Smart used. Any idea what the default code might be? Any ideas (besides going to the dealer) to get the code and/or reprogramming it? Find your radio code card and enter the code into the stereo as follows.Repeatedly pressing one of the station buttons (1, 2, 3 or 4 circled below) changes one of the numbers in the code line on the display. The first digit is increased by continually pressing station button number 1. 7Zi2.

smart car radio code reset