When the Engine Start/Stop button is in the ACC or ON position, if any door is open, the system checks for the smart key. If the smart key is not in the vehicle, the indicator will blink, and if all doors are closed, the chime will also sound for about 5 seconds. The indicator will go off while the vehicle is moving. Keep the smart key in the vehicle.
Hyundai Tucson (LM) 2010-2015 Service Manual: 4WD ECU Flow Diagram
Power Flow Diagram
4WD ECU Input&Output Diagram
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Hyundai Tucson (LM) 2010-2015 Owners Manual: Changing tires
WARNING
A vehicle can slip or roll off of a jack causing serious injury or death to
you or those nearby. Take the following safety precautions:
NEVER place any portion of your body under a vehicle that is supported
by a jack.
NEVER attempt to change a tire in the lane of traffic. ALWAYS ...