The purpose of this feature is to prevent the battery from being discharged.
The system automatically turns off the parking lights when the engine is turned off and the driverside door is opened (in that order).
With this feature, the parking lights will be turned off automatically if the driver parks on the side of the road at night. If necessary, to keep the lights on when the key is removed (smart key : engine is turned OFF), perform the following:
1) Open the driver-side door.
2) Turn the parking lights OFF and ON again using the light switch on the steering column.
Hyundai Tucson (LM) 2010-2015 Service Manual: Torque Converter Control Solenoid Valve (T/CON_VFS) Specifications
Specifications
Direct control VFS[T/CON]
x Control type : Normal low type
Control Pressure kpa (kgf/cmx, psi)9.81 ~ 500.14(0.1 ~ 5.1,1.42 ~ 72.54)Current value(mA)50 ~ 850 Internal resistance(x)5.1
...
Hyundai Tucson (LM) 2010-2015 Service Manual: Photo Sensor Description and Operation
Description
1.
The photo sensor is located at the right of defrost nozzle.
2.
The photo sensor contains a photovoltaic (sensitive to
sunlight) diode. The solar radiation received by its light receiving
portion, generates an electromotive force in proportion to the amount of
radiation ...