This easy-to-follow video shows you how to use the FordPass™* App on your smartphone to check for the proper operation of trailer lights when hitched to your FordPass Connect-equipped F-150.** *FordPass App, compatible with select smartphone platforms, is available via a download. Message and data rates may apply. **FordPass Connect, the FordPass App, and complimentary Connected Service are required for remote features (see FordPass Terms for details). Connected service and features depend on compatible AT&T network availability. Evolving technology/cellular networks/vehicle capability may limit functionality and prevent operation of connected features. Connected service excludes Wi-Fi hotspot.