METHOD FOR OPERATING A HYBRID DRIVE DEVICE FOR A MOTOR VEHICLE AND CORRESPONDING HYBRID DRIVE DEVICE

The invention relates to a method for operating a hybrid drive device (1) for a motor vehicle, wherein the hybrid drive device (1) has a drive unit (2) as well as an electric machine (3), which are operatively connected during driving operation of the motor vehicle via a manual transmission (8) to an output shaft (12) of the hybrid drive device (1). It is provided that when a first temperature limit value is exceeded by a temperature of the electric machine (3), the gear ratio between the electric machine (3) and the output shaft (12) is reduced by means of the manual transmission (8). The invention further relates to a hybrid drive device (1) for a motor vehicle.