The Radio Station of your Smart Car is one of the most usefull and and most looking areas of your Smart Fortwo 450. So, Smart Power Design gives you the opportunity to install these knob from the upper part to the lowest of the Radio Station. There are 3 options. The first one is the set of knobs for the A.C. . The second option is replace the caps screws for the extra bags and install the Smart Power Design’s knobs. The third option which is claimed to be best one, is to acquire both set at price with some discount. The Knobs are available in 5 different finishes, Chrome, Chrome Mat, Nickel Black, Nickel Mat and Aluminum.
Here you can view the user manual for the Knob Set for the Smart Fortwo 450.