... use this mobile start car engine cal alarm system 688/688P/688G, This product is with GPS module and GSM module ... (688G),push start button to start car engine, and CC-688P also has PKE auto sensing function (aut unlock & disarm car ... of current place is good.16.Passive keyless entry(CD-688P)17.Push button startNotes: 1. After 3 minutes disarm or ...