Setting the mode selection knob to the “0” position turns off the fan.
Hyundai Tucson (LM) 2010-2015 Owners Manual: Trailer towing
If you are considering to tow with your vehicle, you should first check with
your state's Department of Motor Vehicles to determine legal requirements. Since
laws vary from state to state the requirements for towing trailers, vehicles, or
other types of vehicles or apparatus may differ. Ask an ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Output Speed Sensor Troubleshooting
Signal Waveform
Fig 1) Input/Output speed sensor at low speed
Fig 2) Input/Output speed sensor at high speed ...