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 View Monitor (RVM)
Description and Operation
- Description
Back view camera will activate when the backup light is ON with the
ignition switch ON and the shift lever in the R position.This system is a
supplemental system that shows behind the vehicle through the H/UNIT or
the ECM (Reverse Display Room Mirror ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Good Driving Practices
Never shift the gear from P (Park) or N
(Neutral) to any other gear when the
accelerator pedal is depressed.
Never shift the gear into P (Park) when
the vehicle is moving. Completely
stop before shifting into R (Reverse) or
D (Drive).
Do not shift to N (Neutral) when
driving ...