Method for activating a parking brake of a motor vehicle, and system for controlling a parking brake of a motor vehicle

A method for activating a parking brake of a motor vehicle, comprising:

• activating the parking brake automatically when the motor vehicle is at a standstill or the ignition is switched off, wherein a current situation of the motor vehicle and/or the environment is detected subsequent to the automatic activation of the parking brake, and
• that said current situation is compared to stored situations of the motor vehicle and/or the environment, for which a rolling capability of the motor vehicle at a standstill or with its ignition switched off has been designated.

A system for controlling a parking brake of a motor vehicle, comprising:

• use of a controller device, which activates the parking brake when said vehicle is at a standstill and/or its ignition is switched off, wherein, subsequent to the activation of the parking brake, a detected current situation of the motor vehicle and/or the environment is provided to the controller device as an additional input value, and in that the controller device is set up to execute a comparison between the detected current situation of the motor vehicle and/or the environment and reference situations stored in the controller device that require a rolling capability of the motor vehicle.