Some vehicles come with an auto start-stop feature that shuts off the engine when drivers brake. Is this feature worth leaving on or is it just nuisance?

He even suggested that all owners should permanently 'switch off' the start/stop button, labelling it as the 'dumbest' invention in recent years.

Drivers with stop and start technology have been issued a warning over driving in the UK heatwave. Motorists are being urged to ensure technology is switched on - as the risk of idling increases ...