I've carried these for many years:There are tools sold in many places that are comprised of a hammer to break the door widow and a seatbelt cutter. I suspect the elderly and infirm might be their main market. In a panic situation, I'd never find mine, if I owned one.
resqme® Car Escape Tool, Seatbelt Cutter / Window Breaker
Used it for real once; works well on regular auto glass side-windows. USA made, easy to keep on a keychain.
Worth knowing..... you'll need a saw to get through many modern side-windows, as they're laminated....
Some Car Windows Are Harder to Break in an Emergency, Says AAA
Scanned the pages, but didn't notice the make/model of the problem vehicle that started this thread....
Rgds, D.