Hyundai Tucson: Idle Stop and Go (ISG) System / ISG Malfunction
ISG system may not operate if:
- The Auto Stop (
.png)
)
indicator
illuminates in yellow on the
instrument cluster. - The ISG OFF button illuminates.
Contact an authorized HYUNDAI dealer for assistance.
Conditions that Restart the
Engine
The engine is automatically restarted if:
The brake vacuum pressure is low.
The engine has stopped for about 5
minutes.
The air conditioning is ON with the fan
speed set to a certain hig ...
Calibrating the Battery Sensor
If the AGM battery is reconnected or
replaced, the ISG system does not
operate immediately. If you want to use
the system, the battery sensor needs to
be calibrated following the procedure.
1 ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Engine Compartment Panel Fuse
Replacement
Blade fuse/Cartridge fuse
1. Turn off the vehicle.
2. Turn off all other switches.
3. Remove the fuse panel cover by
pressing the tap and pulling up.
4. Refer to the label on the inside of
the fuse panel cover to locate the
suspected fuse location.
5. Pull the suspected fuse straight ou ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: If the Engine Overheats
If your temperature gauge indicates
overheating, you experience a loss of
power, hear loud pinging or knocking,
or the engine may be overheating. If this
happens, you must:
1. Pull off the road and stop as soon as it
is safe to do so.
2. Shift the gear to P (Park) and apply the
parking ...
