Tesla recalls almost all its vehicles sold in the US over warning light problems

Recall of more than 2m Teslas will be done with a software update as company comes under increasing scrutiny from US officialsTesla is recalling nearly all of the vehicles it has sold in the US because some warning lights on the instrument panel are too small.The recall of nearly 2.2m vehicles announced on Friday by the National Highway Traffic Safety Administration is a sign of stepped-up scrutiny of the electric vehicle maker.