I just plugged the scangauge plug in the obd port, used velcro to keep the extra cable coiled and attached to the underside of the dash panel, and again used velcro to attach the guage to the top of the steering wheel post. Makes it easy to see, and also keeps it portable if I want to use it on my other car. The nice thing about it is that you can use the various color combinations to make the back lighting match the dash lights. I have used it to scan and clear the various codes that do not require a MB scanner. Works really well. The real time display of the various engine and electrical information is a plus.