The warning light illuminates if the temperature of the engine coolant is above 248±5.4°F (120±3°C).
Do not continue driving with an overheated engine.
✽ NOTICE
If the engine coolant temperature warning light illuminates, it indicates overheating that may damage the engine.
Hyundai Tucson (LM) 2010-2015 Service Manual: Head Lamps Repair procedures
Removal
Head lamps become very hot during use; do not touch them or any attaching hardware immediately after they have been turned off.
The headlamp bulb should not be removed from the headlamp assembly until just before a new bulb is installed.
Rem ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: USB Mode
✽ NOTICE - USING THE USB DEVICE
Connect the USB device after turning on the engine. The USB device may
become damaged if it is already connected when the ignition is turned on.The
USB device may not operate properly if the car ignition is turned on or off
with the USB device connected ...