follow_along_with_video_below_to_see_how_to_install_our_site_as_web_app
Note: this_feature_currently_requires_accessing_site_using_safari
Repost, want to say there was an even earlier one too but couldnt find it. I just searched for the characters you use to post youtube videos here
http://www.thechicagogarage.com/forum/car-discussion/119815-add-tracks-your-vehicle.html