Does a 12v socket run even when the ignition is off?

Does the 12v socket work when a car is not on or does it work when it's only on? I require a black box in my car and have to keep it plugged in for six months.

Is there any way of keeping warm in a classic car with no heater?

My son bought his dream car, a Morris Traveller. He has no garage but can have it winter stored. His thoughts about this are the poor heater in the Moggy. As a result, he will need a "reliable" banger....

Is my 1978 car now tax free and how do I go about applying?

I have a Mk4 Ford Cortina registered in 1978. When is it tax free and how do I go about getting it registered as tax free?

Can I use a battery conditioning charger through a 12v socket in my car?

Can I use a battery conditioning charger (I think that’s the term) through a 12v socket in my car’s cabin? Obviously not one wired through the ignition switch.