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 Owners Manual: Defogging logic
To reduce the possibility of fogging up the inside of the windshield, the air
intake or air conditioning are controlled automatically according to certain conditions
such as or
position. To cancel or return to the
defogging logic, perform the following steps:
Manual climate control system
...
Hyundai Tucson (LM) 2010-2015 Service Manual: Engine Control Module (ECM) Repair procedures
Removal
When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below.
[In the case of installing used ECM]
1) Perform "ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "Immobilizer system")
2) After finis ...