To turn on the high beam headlights, push the lever away from you. Pull it back for low beams.
The high beam indicator will light when the headlight high beams are switched on.
WARNING
Do not use the high beams when there are other vehicles approaching you. Using high beam could obstruct the other driver's vision.
To flash the high beam headlights, pull the lever towards you, then release the lever. The high beams will remain ON as long as you hold the lever towards you
Hyundai Tucson (LM) 2010-2015 Service Manual: Power Seat Control Switch Repair procedures
Inspection
1.
With the power seat switch in each position, make sure that
continuity exists between the terminals below. If continuity is not as
specified, replace the power seat switch.
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the power seat recliner cover ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Headlight escort function
If the key is removed from the ignition switch or placed in the ACC position
or the LOCK/OFF position with the headlights ON, the headlights (and/or parking
lights) remain on for about 5 minutes. However, if the driver’s door is opened and
closed, the headlights are turned off after 15 secon ...