1.Disconnect the negative (-) battery terminal.
2.Remove the rear spoiler.(Refer to Body - "Rear Spoiler")
3.Remove the high mounted stop lamp assembly (A) after loosening screws (4EA).

1.Install the high mounted stop lamp.
2.Install the rear spoiler.
3.Connect the negative (-) battery terminal.
License Lamps
Luggage Room LampHyundai Tucson (NX4) 2022-2026 Owner's Manual: Rear Cross-Traffic Collision-Avoidance Assist (RCCA)
Rear Cross-Traffic Collision-Avoidance
Assist uses the rear corner radars to help
detect vehicles approaching from the left
or right while your vehicle is reversing,
and to warn you that a collision is
imminent with a warning message and
an audible warning. Braking may also be
assisted ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Reservoir Tank
- Removal and Installation
1.Remove the reservoir tank.(1)Disconnect the water hose (A).
(2)Disconnect the degassing hose (B).
(3)Remove the reservoir tank (C).Tightening torque :7.8 - 11.7 N.m (0.8 - 1.2 kgf.m, 5.7 - 8.6 Ib-ft)
2.Install in the reverse order of removal. ...