Hello and welcome to Just answer.com, Super mechanic here. Please DON’T hit accept until you are completely satisfied with the answer. About your vehicle.
The sensor is part of the seat cushion, (lower) and the seat would have to come out and the cushion replaced. The dealership, (stealership) will want to charge about 2 hours labor and one hour diagnostic time. The seat cushion is about $150.
The dealership would also have to clear the trouble code(s) from the airbag module so that the light will go out. That is normally included in the repair.
Does the airbag work as designed?
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