Regulations require all trailers to be equipped with tail lights, brake
lights, side marker lights, and turn signals. To provide power for trailer
lighting, a built-in 7-pin wiring connector is provided near the hitch support's
wiring plugs for most types of trailers. Plugging in trailer wiring i
Speed Assist may not be fully functional or may provide
inaccurate information in these situations:
Visibility is poor and speed limit signs are not clearly
visible (due to heavy rain, snow, fog, etc.).
Bright light (such as from oncoming headlights or
direct sunlight) is interfering with th