Locking Car when in motion

[foxtrotmike]

Many newer vehicles on the market now have features that let you lock the vehicle when your inside and travelling, some even will self lock when in motion, presumably to prevent hijacking.

However I have a concern about this, that if you have an accident, or fire and all your passengers are not able to unlock the doors then a third party, ie witness cannot gain access to the vehicle to administer 1st aid or get the passengers out in a fire until the fire service have come to cut them out.

So what are peoples thoughts about this?

Can / Should a vehicle automatically unlock the car when there is an accident (ie deployment of the airbags)

If it is to prevent hijacking, should the vehicle doors be unlocked for motorway or rural driving where the risks of this are reduced / removed and locked only for urban driving 30mph or below.