See also:

BLIS False Alerts
Due to the nature of radar technology, there may be certain instances when the BLIS will alert with no object present in the blind zone. This is known as a false alert. Some level of false alerts ...

Blocked sensor
An extreme build-up of materials on the left and/or right quarter panel fascias such as mud or snow can cause degraded performance of the BLIS . Also, heavy rain can cause the same effect. ...

Replacing backup lamp/supplemental tail lamp
The backup lamp and supplemental tail lamps are located in the trunk lid. Follow the same steps to replace either lamp. 1. Make sure the headlamp switch is in the off position and open trunk ...