Hyundai Tucson: Exterior lights / Lighting control
To operate the lights, turn the knob at the end of the control lever to one of the following positions:
(1) OFF Position
(2) Parking Light Position
(3) Headlight Position
(4) AUTO Light Position (if equipped)
Parking light position ( 
)
When the light switch is in the parking light position, the parking (position) lights, license plate lights, and instrument panel lights are turned ON.
Headlight position (
)
When the light switch is in the headlight position, the headlights, parking (position) lights, license plate lights, and instrument panel lights are turned ON.
AUTO light position
When the light switch is in the AUTO position, the parking lights and the headlights will be turned ON or OFF automatically depending on the amount of light outside the vehicle.
Even with the AUTO Light feature in operation, it is recommended to manually turn ON the lights when driving at night or in a fog, or when you enter dark areas, such as tunnels and parking facilities.
CAUTION
- Do not cover or spill anything on the sensor (1) located on the instrument panel.
- Do not clean the sensor using a window cleaner. The cleaner may leave a light film which could interfere with sensor operation.
- If your vehicle has window tint or other types of metallic coating on the front windshield, the AUTO light system may not work properly.
Exterior lights
...
Daytime Running Light (DRL)
Daytime Running Lights (DRL) can make it easier for others to see the front of
your vehicle during the day, especially after dawn and before sunset.
The DRL will turn off when:
The headlight sw ...
Other information:
Hyundai Tucson (LM) 2010-2015 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Remove the ECTS (Refer to "Removal").
3.
After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4.
4.
Check that the resistance is within the specification.
Specification: ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Mechanical key
Turn the key toward the rear of the vehicle to unlock and toward the front of
the vehicle to lock.
If you lock the door with a key, all vehicle doors will lock automatically. From
the driver’s door, turn the key to the right once to unlock the driver’s door and
once more within 4 second ...