Vaping in your car will degrade the glue that keeps the felt attached to the headliner in the ceiling of your car. This will make your car look like its seen it's years far sooner than its engine gives up.
Vaping will also do similar damage to your electronics, warping them with humidity if nothing else. You can be sure that the some damage seen in this thread applies similarly to vaping, as vaping produces a (less harmful to humans) similarly surface covering resin.
Grow up. Smoke/vape outside.
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