Hyundai Tucson (LM) 2010-2015 Owners Manual: Active ECO system
Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle.
Fuel-efficiency is determined by the driver's driving habits and road conditions.
When the Active ECO button is pressed the ECO indicator (green) will illuminate
to show that the Active ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Water Temperature Control Assembly Repair procedures
Removal and Installation
1.
Drain engine coolant so its level is below water temperature control assembly.
2.
Remove the air cleaner assembly.
(Refer to Engine transaxle assembly in this group)
3.
Disconnect the radiator upper hose (A).
4.
Disconnect the heater hose (A).
  ...