Nearly 200,000 Subaru Impeza and Forester models from 2008 to 2011 are being recalled for a second time in the US.
There has been further evidence of possible corrosion to brake lines and loss of fluid through heavy winter salting.
Car makers are concerned that the French Government has unilaterally approved a new grade of diesel fuel which includes more bio-additives.
The change may affect the operation and warranty of vehicles in the EU and using the previously approved fuel grade.
Volkswagen has unveiled a new five-seater midsize SUV concept car at the North American International Auto Show in Detroit.
Called the Cross Coupé GTE, it is a plug-in hybrid with all-wheel drive, and previews Volkswagen’s new US design language, and goes into production end of 2016.
US hackers have put their own messages on roadside traffic information boards.
The issue has arisen when WiFi is used to transmit data or the hackers have penetrated traffic control centres computers.