Trailer presence detection system and method

Trailer safety system

Trailer security system using multiple transmitter/receiver...

Trailer slider repositioning alarm

Trailer theft alarm

Trailer tongue length estimation using a hitch angle sensor

Transmitter apparatus and system for remote signaling

Transportable police vehicle decoy

Transportable police vehicle decoy

Truck trailer impact warning system

Universal trailer lighting adapter

Vehicle communication method and apparatus

Vehicle monitoring system and transponder thereof

Vehicle-trailer backing up jackknife detection and warning...

Vehicle-trailer backing up system using active front steer

Vehicle-trailer backing-up control system with vehicle rear...

Vehicle/implement coupling condition monitoring system

Virtual electronic back-up alignment apparatus

Warning and safety system indicating truck trailer tip-over cond

Warning device for a vehicle and trailer coupling system