But most other cars have physical locks that can be unlocked from the outside and a handle that doesn't require a still-charged 12-volt battery. You may need to

But most other cars have physical locks that can be unlocked from the outside and a handle that doesn't require a still-charged 12-volt battery. You may need to call a locksmith (for instance, the keys are also inside the car), but you probably don't have to bust open the windows unless it's really urgent and you need to get them out now (instead of 20-30 minutes from now).