Try reading your owner's manual. If you have the electronic (pdf) version, search for Belt Minder.
"Good judgement comes from experience. Experience comes from bad judgement." - Colin Powell to new batch of 2LTs (while serving as V Corps Commander)
Factory manuals here: http://www.motorcraftservice.com
Are trying to shut the dinging off while door open and key in? Or the dinging while driving without the seat belt on?
2011 F-250 CC, 6.2 Gas, 3.73, 4x4 w/FX4, Tuxedo Black, Steel Cloth interior,Goodyear Wrangler Duratrac's, Air Aid Intake, Bilstein 5100 shocks, Hellwig adjustable sway bar, 5 Star Tuned, Line X bed liner, X Tang Tri-Fold bed cover.
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