General Information
Important: SGA assesses data for objects along the length of the passenger side of the truck and, if present, one trailer. The enhancement, ASGA, only reacts to moving objects within SGA's sensor monitoring area.
SGA detects if a trailer is attached to the truck, but cannot detect whether or not multiple trailers are attached. If used with more than one trailer, SGA only considers objects or stationary obstacles in the range of the truck and the first trailer. False-positive indications and warnings may occur with multiple trailers.
Important: SGA and its enhancement, ASGA, are not currently designed to work with non-ABS trailers or on trucks with lift axles.
In a left-hand drive truck, SGA monitors the area to the right of the truck and trailer using two short range radar sensors. The radar sensors are mounted close to the rear of the right-hand footsteps. See Fig. SGA provides assistance when turning right and changing lanes to the right. A triangular warning lamp in the A-pillar, shown in Fig. lights up to inform the driver that an object has been detected in the monitored area. An additional warning tone sounds if there is a risk of collision.
ASGA engages at urban speeds (less than 12 mph). If SGA detects a critical moving object in the sensor monitoring area along the side of the truck during a passenger side turn, ASGA automatically applies the brakes.
In a right-hand drive truck, SGA monitors the area to the left of the truck and trailer. The sensors and warning lamps are located to the left of the driver. All other features remain the same.
Shortly after reversing or coupling up, the trailer monitoring of SGA is not active; therefore the driver cannot switch SGA trailer monitoring on or off for a moment.
Fig. 1, Radar Sensors with Covers
