I'm surprised that the advice didn't clarify what an "emergency hammer" is. The implication from that story is that an emergency hammer is just an ordinary carpenter's hammer, but in fact it is a specially designed metal punch which can be operated without any great force.

Also, many of the safety hammers I saw online had a recessed blade in the handle intended for cutting through a seat belt. ABC's article did not address this potential concern.

Another safety hammer incorporated a torch in the handle.

Our front headrests do not come out unless you push in with a paperclip on the opposite side of the height button.

Craig1 wrote:

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Both our cars are now a very hard task and contorted to get head rest out. Very early ones were easy, but safety regs have fixed that.

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 The head rest in my Y62 Patrol have video units in them so they are impossible to remove.

We keep glass break hammers with torches and seatbelt cutting blades in each of the front door pockets, for such emergencies.

all these tools by the cops would be classified as weapons ....big no no to have them ......i had a large fishing knife in my car and when i got stopped one time the cops took it and said its a weapon .....