Mod still in progress, but here is the basic idea. Install a tow/haul shift lever with or w/o up/down shifting. Any shift lever from a 99 til about 2011/12 (not sure of cut off) will work.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
I took care of your level lever.Damn it! can a mod correct my spelling of "Lever" in title please.