How to unjam a seatbelt

Written by chris brake
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How to unjam a seatbelt
Unjamming a seat belt jam with WD-40 (fasten seat belt image by enens from

Seat belt jams are largely caused by sticky residue that builds up over time inside the belt buckle mechanism. Applying a small amount of lubrication is usually all that's needed to unjam a jammed seat belt. Keeping the belt buckle clean and the metal fastener on the end of the seat belt itself can help prevent any future seat belt jammings.

Skill level:

Things you need

  • WD-40

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  1. 1

    Spray a small amount of WD-40 or generic lubricant into the opening of the seat belt buckle. Avoid spraying on the seat belt or other interior parts of the car, as the oil will leave a stain.

  2. 2

    Let the WD-40 or other oil sit for a few minutes, then press and release the buckle button. The buckle should come undone in a smooth and fluid motion.

  3. 3

    Reconnect the buckle with the seat belt so that it locks into place. Pull against the seat belt to make sure the buckle is fastened and secure.

  4. 4

    Soak the end of a Q-tip in rubbing alcohol. Rub the Q-tip through the front opening of the buckle and remove any sticky residue that's inside the buckle.

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