Hyundai Tucson: Setup / Starting Mode
Press the 
key to display
the Setup screen.
You can select and control options related to [Display], [Sound], [Clock/Calendar], [Phone] and [System].
Setup
...
Display Settings
Adjusting the Brightness
Press the key
Select [Display]
Select [Brightness]
Use the ,
buttons to adjust the screen brightness
or set the Brightness on Automatic, ...
Other information:
Hyundai Tucson (LM) 2010-2015 Owners Manual: Checking the amount of air conditioner refrigerant and compressor lubricant
WARNING
Because the refrigerant is at very high pressure, the air conditioning system
should only be serviced by trained and certified technicians. It is important that
the correct type and amount of oil and refrigerant is used, otherwise damage to
the vehicle and personal injury may occur. ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Fog light bulbs
1. Remove the front bumper under cover.
2. Reach your hand into the back of the front bumper.
3. Disconnect the power connector from the socket.
4. Remove the bulb-socket from the housing by turning the socket counter clockwise
until the tabs on the socket align with the slots on the housing.
...