Check whether the lighter is empty or still contains fuel
Keep the lighter away from heat, flames, and sparks
Do not puncture, crush, or burn the lighter
If it is a refillable lighter, empty the fuel in a well-ventilated outdoor area if safe to do so
If it is a disposable lighter, use it until the fuel is fully depleted if possible
Place empty lighters in household trash only if local rules allow it
Take butane or fuel-containing lighters to a household hazardous waste facility if required by local regulations
Separate lighters from batteries, aerosol cans, and other hazardous items
Store discarded lighters in a cool, dry place until disposal
Follow local waste disposal guidelines for your area