Ever wondered if it’s okay to leave your smartphone in the car while you walk, hike, ski or ice skate? Ever forget your phone in the car and worry about what damage you’ve caused? Electronics are like people, they don’t always do well in extreme conditions. But just because you goofed up one afternoon doesn’t necessarily mean the phone is toast. It all depends on the conditions in the car (or wherever you left the phone) and the type of phone you have.