The headrest of car seats is deliberately detachable and sharp so you can use it to break the glass in your car in case of emergency. ... The glass in car windows is also kept easily breakable from the inside so people can get their way out of cars during an emergency situation.

Why car headrests are detachable?

It states that the vehicle headrest is deliberately detachable so it can be used to break a vehicle window, which we've already found to be dubious at best, and that the vehicle window is easily broken from the inside. The way that the tempered and laminated glasses are created is entirely for the opposite purpose.

Are all headrests detachable?

Based on the evidence, AAP FactCheck has found the post to be false. The post incorrectly states that the headrest of car seats is deliberately kept detachable and sharp so that it could be used to break open the glass of a car. Experts confirmed this was not the reason behind the design of a headrest.