Automated warning system to detect a front vehicle slips backwards

A non-transitory machine-readable medium having instructions stored therein, which when executed by a processor, cause the processor to perform operations, the operations comprising:

• perceiving a driving environment surrounding an ADV based on sensor data obtained from a plurality of sensors, including identifying a vehicle in front of the ADV;
• determining whether the vehicle in front is moving backwardly based on the perception;
• determining whether a tail light or a brake light of the vehicle in front is turned on based on the perception;
• and
• in response to determining that the vehicle is moving backwardly and the tail light or the brake light of the vehicle is not turned on, generating a warning signal to warn a driver of the vehicle in front of the ADV.

A data processing system, comprising:

• a processor;
• and
• a memory coupled to the processor to store instructions, which when executed by the processor, cause the processor to perform operations, the operations including
• perceiving a driving environment surrounding an ADV based on sensor data obtained from a plurality of sensors, including identifying a vehicle in front of the ADV;
• determining whether the vehicle in front is moving backwardly based on the perception;
• determining whether a tail light or a brake light of the vehicle in front is turned on based on the perception;
• and
• in response to determining that the vehicle is moving backwardly and the tail light or the brake light of the vehicle is not turned on, generating a warning signal to warn a driver of the vehicle in front of the ADV.