... + 4pcs car clamps, with 1 software 3,how should i do if your car database not including our ... or you sent us your truck list model we addtruck wheel alignment sensor 1,truck alignment machine ... to adjust clamps, just press sensors down, and then re-adjust level.. can measuring the low chassis angles ... Diagnosis Function9,Easily After Service, one sensor break, we sent new one, no need re-calibrate with ...