The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season and before traveling to a colder climate.
Hyundai Tucson (LM) 2010-2015 Service Manual: Transfer Fluid Repair procedures
Inspection
•
Transfer oil should be inspected and refilled every 60000 km (40000 mile) / 4 year.
1.
Remove the under cover (A).
2.
Remove the oil filler plug (A).
3.
Check the oil level.
Oil level must be up to fill the hole, if not, ...
Hyundai Tucson (LM) 2010-2015 Service Manual: ETC (Electronic Throttle Control) System Schematic Diagrams
Circuit Diagram
(M/T)
(A/T)
...