I have a 02' Mazda b2300, and I have the Manuel key to turn the airbag on and off. When I start the truck, it flashes that the airbag is off, how do I turn it back on? I have tried with the key and have no luck.

Thanks for your help.

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02' Mazda B2300 Harvest Gold 2WD Base, Expo Power Leather Seat Swap,18% Front Window tint