Abstract: Now a days every individual is preferring to use own vehicle for transportation rather than public transportation because of flexibility in schedule. However a vehicle thefts are increasing in parking and public places. Various Systems are developed for attempting this issue. Thepreviously reported systems provide the solution for communication between owner and vehicle GSM unit and sending password SMS and informing exact location of vehicle. The proposed system is used for security purpose. If any unauthorised person try to theft the vehicle then the system has a password using for ignition start of the vehicle .if any unauthorised person try to theft it then he has to enter password. If he enter password three times wrong then identify message will be send to owner and driver about the car theft under prosses and location of car. The system also has facility to lock the wheel and vehicle stop ignition and also new password will be send and set for vehicle.

Keywords: GSM, Vehicle security, GPS.