you don't . seat belts save lives .
Buckle your seat belt, works every time.
Buckle up.
To disable the seat belt alarm on a Chevy Colorado, locate the alarm fuse. Pull out the fuse to disable the alarm.
http://www.bimmerfest.com/forums/showthread.php?t=169033&highlight=Seat+Belt
In most places, it is illegal to disable this alarm. If you are having problems with it, a dealer should be able to fix it, possibly at no charge, since this is an essential component.
There are two wires under the seat responsible for the seat belt alarm. You can play with them to disable. If during the state inspection they will find out that you disconnect it again they will make you to connect it again you will not pass the inspection.
How do I disable seat belt alarm for a Ford F150 2004
Wear the seat Belt !
I find that fastening the seat belt disables the alarm immediately
Turn the passenger side airbag to the "off" position using your key. It should be to the right of the radio. By putting on your seatbelt.
Sell the car. Can't defeat it. It drives me insane and I've asked everywhere.
Buckle up!