Forward/Reverse Parking Distance Warning may malfunction if the vehicle bumper height or ultrasonic sensor installation has been modified or damaged. Any non-factory installed equipment or accessories may also interfere with the sensor performance.

When the ultrasonic sensor is frozen or stained with snow, dirt, or water, the sensor may be not operate until the stains are removed using a soft cloth.

Do not push, scratch or strike the ultrasonic sensor. Sensor damage could occur.

Do not spray the ultrasonic sensors or its surrounding area directly with a high pressure washer.