Tire pressure gauges; Tire-pressure measurers; Reflective mirrors to prevent accidents; Passive keyfree anti-theft security system, namely, theft alarms; Electric or electronic sensors used in automobiles for sensing the proximity of objects when parking or moving in a reverse motion; Laser, radar and ultrasonic object detectors for use on vehicles; Warning devices, namely, bells for vehicles to give audible warning while vehicles are moving in reverse; CCD cameras for use on vehicles; Heads up display comprised of an optical projection unit, motor, circuit board, lens, cover and mirror for displaying text, maps, and graphic images of vehicle status and navigational information on the windshield of motor vehicles; On screen display modules comprised of an electronic control unit with video input and output connectors to add additional text to the input video and then output to display device; Electric actuators; Central door locking apparatus for vehicles comprised of an electronic control unit, actuators, motors and plastic covers; Electric door locks for vehicles; Electric locks for vehicles; Remote controls for operating vehicle door locks; Paintable sensors for vehicles comprised of a parking sensor and a bezel to paint the sensor, the bezel can be taken off while painting and can be put on later; MP3 players; Audio and video control units for vehicles comprised of an electronic control unit, input and output connectors conforming to the RS232 standard to control the cursor position of the touch panel; Vehicle locating, tracking and security system comprised of a GPS receiver and a global system for mobile communications device to be placed in a vehicle to notify the driver of the nearby facility or spot within the predefined area or to notify police or rescue team of the location information in emergency situations; Devices for hands-free use of mobile phones; Reversing sensor display modules for use on vehicles comprised of circuit boards and a rear-view mirror for displaying text and graphic images of vehicle status; Apparatus for displaying the path followed by a vehicle comprised of an electronic control unit, a monitor, a camera and on-screen-display module; Electrical apparatus for fitting to vehicles comprised of LCD or LCOS display device, a light reflection film to display navigational or meter data visual information; CCD and CMOS video cameras adapted to vehicles for monitoring front, left, right and back scene environment for use during parking and while vehicle is moving