• Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points")
1.Remove the cylinder head. (Refer to the Cylinder Head Assembly - "Cylinder Head")
2.Remove the water jacket insert (A).

• When removing the water jacket insert, be careful not to damage the top surface of the cylinder block.
3.Install in the reverse order of removal.
Components and Components Location
Drive PlateHyundai Tucson (NX4) 2022-2026 Service Manual: Relay Box (Passenger Compartment)
- Dscription and Operation
ICU (Integrated Central Control Unit)
ICU (Integrated Central Control Unit) is an integrated model of smart
junction block and central gateway. It performs the function of
conventional "Smart junction block" and the function of communication
medium of "Central Ga ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Starting the engine
A : Vehicle authentication pad (Wireless charging
pad)
1. After placing your registered card key
on the vehicle authentication pad
(wireless charging pad), depress the
brake pedal and press the Button Start
ignition switch button.
2. After start-up, the digital key data will
be autom ...