4SEE Rear-Collision Warning System

Helps other drivers avoid rear-ending trailers
Related To: 
Jan. 9, 2026
Grote Industries
4SEE Wiring Harness from Grote Industries

The 4SEE Rear-Collision Warning System from Grote Industries uses data processing, a rear radar unit, and an auxiliary strobe lamp to help drivers avoid rear-ending trailers ahead of them. The system calculates the 'time to collision' whenever a car approaches the back of a truck, and if that time is less than four seconds, then the light flashes, warning the trailing driver that they're approaching too quickly. The system is built on Grote's 4SEE Digital Harness and includes a lamp-specific light-out detection and over-the-air updates.

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