If your vehicle has an aux and/or USB(universal serial bus) port, you can use an aux port to connect audio devices and an USB and also an iPod
Accelerator Position Sensor (APS) Specifications
Specification
AcceleratorPositionOutput Voltage (V) [Ref=5V]APS1APS2C.T0.7 ~ 0.80.29 ~ 0.46W.O.T3.85 ~ 4.351.93 ~ 2.18
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Rear fan speed control
From front seat
Set the rear climate control selection (REAR ON) button to the ON position and
press the rear fan speed control button in the front climate control panel to the
desired position ...