Outside temp sensor. Mounted my light in front of it with no trouble.
Ordered 4-23-15, built 5-21-15, sitting in my driveway 6-8-15. Canyon SLE, crew cab, long bed, 2wd, Bronze Alloy, Cocoa Dune.
Roll N Lock bed cover and cargo manager, custom made tool tray, OEM mud flaps, front windows tinted, running boards, 300 Watt Inverter with Sierra OEM plug, Warning Lights for fire dept, 6K HIDs lows and highs, LED fog light bulbs, 30" LED light bar, 2.5" front lift with 1" rear, Michelin AT/2 265/70/17, custom sports bar with 2 LED light bars, Rigid cargo lights.