The rain sensor located on the upper end of the windshield glass senses the amount of rainfall and controls the wiping cycle for the proper interval.
The more it rains, the faster the wiper operates. When the rain stops, the wiper stops. To vary the speed setting, turn the speed control knob (1). If the wiper switch is set in AUTO mode when ignition switch is in the ON position, the wiper will operate once to perform a self-check of the system. Set the wiper to OFF position when the wiper is not in use.
WARNING
To avoid personal injury from the windshield wipers, when the engine is running and the windshield wiper switch is placed in the AUTO mode:
CAUTION
Hyundai Tucson (LM) 2010-2015 Owners Manual: Indicator lights
When the ignition switch is placed to the ON position, the ESC indicator light
illuminates, then goes off if the ESC system is operating normally.
The ESC indicator light blinks whenever the ESC is operating.
If ESC indicator light stays on, your vehicle may have a malfunction with the
ESC s ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting
Ignition System
SymptomSuspect AreaRemedyEngine will not start or is hard to start (Cranks OK) Ignition lock switchInspect ignition lock switch, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredSpark plugsInspect spark plugs, or replace as requi ...