The control subsystem of a vehicle consists of the brakes and steering system. When not functioning properly, brakes may fail to stop the vehicle in time, while issues with the steering system can lead to loss of control. These malfunctions compromise the driver's ability to control the vehicle, creating hazardous driving conditions.

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The control subsystem of a vehicle includes brakes and steering. Malfunctions in these parts can result in failed stopping or loss of control, creating dangerous driving conditions.