The motor vehicle has a support arrangement with a support that enables a rear window (16) to be acted upon by a rotational force to ensure contact of the rear window with a sealing seat. The support is pushed forward to enable the rear window to be acted ...

The method involves deriving the ignition delay from the offset of a local maximum (104,109) in the variation of the ion current signal (101) wrt. an injection time (105,107). The parameters for a main injection are controlled depending on evaluation of th...