Power steering pump noise is one of the most identifiable sounds your car can make when it is broken. There can be a lot of clunks, squeaks or hums that can indicate a wide variety of other problems, but a whining power steering pump us usually very distinctive.
A dashboard is a control panel located directly ahead of a vehicle's driver, displaying instrumentation and controls for the vehicle's operation.
How actuators control vehicle mode and temperature. A plastic case under the dash contains the air conditioner evaporator-core and the heater core. Air flows through the case and a series of doors that the actuators open and close to control this flow. The position of the doors determines where air flows and the temperature.