KEYLESS ENTRY SYSTEM
A system that uses a small radio transmitter to command a vehicle to lock or unlock the doors, allowing the user to perform these functions remotely without having to use a key. Keyless entry systems feature a small fob with button controls to lock or unlock a vehicle’s doors. Some keyless entry systems are integrated into an alarm system as well.
A sensor mounted on an engine that detects the high frequency vibrations that are the early signs of engine damaging “pinging,” “knocking” or “pre-ignition”. A computerized engine control system which utilizes a knock sensor allows an engine to operate with improved power and efficiency. (See “PRE-IGNITION”)