it tells you how to do that in the owner's manual in the back.
How do I disable seat belt alarm for a Ford F150 2004
how do I disable computer on Ford 150 1998
Do you mean the key in ignition chime?
Use the seat belt and buckle up.
take the key out of the ignition switch.
Unplug it and earth the incomming wire (not the plug) it to the body of the vehicle.
A 2010 Ford F150 pick-up uses automatic transmission fluid.
The door chime on a 2000 Ford F250 can be disabled by removing the fuse or pulling the wiring harness. The chime is automatically trigger each time the door is opened or is left open
Air up your tires~!
You can go under the driver side of the dash, turn the lights on, listen for the chime to locate it. Once located simply unplug the two wire connector.
Drive it off a cliff or head on with a semi :) just jump out before impact!