Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Do not refinish previously painted sensors. Excess paint build up will cause the sensor to be inoperative.

Paint the rear object sensor. Refer to Basecoat/Clearcoat Paint Systems .
Ensure the paint does not exceed 6 mils. Use a paint thickness gauge suitable for non-ferrous metals. Refer to Paint Gauges .

Fig 1: Parking Assist Alarm Sensor

Courtesy of GENERAL MOTORS CORP.

NOTE:

Ensure the silicone decoupling ring is installed on the sensor to avoid sensor failure.

Insert the sensor into the housing.
Connect the electrical connector to the rear object sensor.
Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement (Avalanche, Cadillac EXT) , Rear Bumper Fascia Replacement (All Utility, Cadillac ESV) .