Gearbox: Jerky gearchanges, delayed engagement or difficulty shifting can be caused by a lack of fluid in the gearbox or software issues. Make sure the PDK auto gearbox has been serviced regularly.

FRANKFURT (Reuters) - Porsche is inspecting 2,500 of its new Macan off-road vehicles to check for faulty brakes after quality tests revealed that some brake booster units may have been damaged during ...