you unplug the fuse
no :)
You don't. It's encoded into the PCM.
because
The rear track of the 2008 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2008 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The rear track of the 2012 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2012 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The front track of the 2013 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The rear track of the 2011 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2009 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The rear track of the 2010 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The rear track of the 2013 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).