Object Detection Description and Operation (UFT): Notes

WARNING: This page is about a different car, the 2012 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.

The side blind zone alert system is designed to detect vehicles or other objects that may be located in the vehicles blind spots. This detection is performed by two side object sensors, located behind the rear fascia on each side of the vehicle. When an object is detected in a blind spot, an indicator in the outside rearview mirror will illuminate, notifying the driver that it is unsafe to change lanes.

The side blind zone alert system is made up of the following components:

Left side object sensor
Right side object sensor
Driver outside rearview mirror
Passenger outside rearview mirror

Side Object Sensors

The side object sensors are each located behind the rear fascia, positioned so that the sensor is pointing out toward the opposite lane. Each sensor is supplied B+ and ground. The right sensor receives an additional ground. Both sensors communicate independently on the serial data line. The serial data enters the left sensor in a pass-thru configuration, that connects to the right sensor. The scan tool is able to individually communicate with each sensor.

When a vehicle or object is detected by a side object sensor, the sensor will illuminate the indicator located in the appropriate outside rearview mirror.

Outside Rearview Mirror

The outside rearview mirrors each contain an indicator that is controlled by the appropriate side object sensor. This indicator is illuminated when a vehicle or object is positioned in the vehicles blind spot.