evidence: Arizona driver claims extreme heat melted her car light ‘Guys, the light is melting,’ wrote Sierra Ramos in a viral TikTok. Experts say it’s unlikely that the heat alone caused her tail light to liquefy [...] As Arizona swelters in a punishing 19-day heatwave, one motorist has claimed that the extreme temperatures melted her car light. [...] When a Facebook post went viral in 2021 claiming tires, bins and traffic lights had melted during a summer heatwave, fact-checkers from USA Today found the damage had actually been caused by fires or exposure to other weather conditions.