The Safety Risks of Leaving Disposable Vapes in Hot Cars Ecigator Exposing your vape to extreme temperatures is a fire risk. Avoid leaving it in a hot car or out in the freezing cold. Never use damaged, swollen or hot batteries. # How to Know Disposable Vape is Finished: 5 Warning Signs STOP VAPING IN YOUR CAR , That cloudy film on the glass? Sticky gunk on every surface? Thats vape residue and its damaging your interior more than you think., Regular smoke or vape buildup