1.Disconnect the negative (-) battery terminal.
2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit")
3.Loosen the mounting screws and remove the heater core cover (A).

4.Separate the heater core (A) from the heater unit.


5.Install in the reverse order of removal.
• Refill the cooling system with engine coolant.
• Do not interchange the inlet and outlet heater hoses and install the hose clamps securely.
• Make sure that there is no air leakage.
• Charge the system and test its performance.
Heater Unit
Evaporator CoreHyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Center Pillar Trim
- Component Location
1. Center pillar lower trim2.Center pillar upper trim
- Replacement
• When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
• Put on gloves to prevent hand injuries.
...
Hyundai Santa Cruz 2021-2025 Owners Manual: Removing and Storing the Spare
Tire
Your spare tire is stored underneath your
vehicle, below the pickup bed area.
To remove the spare tire:
1. To easily remove the spare tire cap,
insert a coin or a flathead driver and
turn counterclockwise as engraved on
the cap.
2. Connect the socket and wheel nut
wrench.
3. Use the wheel nut ...