1.Turn ignition switch OFF and disconnect the battery negative (-) terminal.
2.Remove the fuse box cover.
3.Remove the starter relay (A).

4.Check for continuity between the terminals (30 and 87) using an ohmmeter.
| Terminal | Resistance | Measure | ||
| 30 - 87 | 1 MΩ or higher | If there is continuity between the terminals, replace the relay. | ||

5.Apply 12V to the terminal 85 and ground to the terminal 86 and then check for continuity between the terminals (30 and 87).
| Terminal | Resistance | Measure | ||
| 30 - 87 | 1Ω or less | If there is no continuity between the terminals, replace the relay. | ||

6.Install the starter relay.
7. Install the fuse box cover.
Starter
Ignition SystemHyundai Tucson (NX4) 2022-2026 Service Manual: Rear Assist Arm
- Removal
• When lifting a vehicle using a lift, be careful not to damage
the lower parts of the vehicle (floor under cover, fuel filter, fuel
tank, canister).(Refer to General Information - "Lift and Support
Points")
1.Loosen the rear wheel nuts slightly.Raise the v ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: System Maintenance
Air Conditioning Performance and
Maintenance at Your HYUNDAI
Dealer
If the amount of refrigerant is too low
or too high, the performance of the air
conditioning is reduced. Have the system
be inspected by an authorized HYUNDAI
dealer.
NOTICE
The refrigerant system should only
be ...