No over-the-air update means GM has to recall four million cars to fix fatal software defect

US motor company General Motors is recalling four million vehicles worldwide due to a software bug that has been linked to at least one death.

A variety of trucks and cars released between 2014 and 2017 are to be recalled to have their software updated for free, according to an announcement issued by the National Highway Traffic Safety Administration on Friday.

The recalled vehicles are: