on the 08-11 there is no turn-on at the headunit. have to go to an acc wire from the fuse box or ignition. take that all out and put the wiring back together and unhook the battery for about 20-30 minutes. that should hopefully reset the airbag light.
2013 F150 4x4 SCrew XLT 5.0L
Midwest Crew #22
Official FocusFest Event Planner