Hyundai Tucson: Warning and Indicator Lights / Immobilizer indicator light
Without smart key

This indicator light illuminates:
- When the vehicle detects the
immobilizer in the key with the
ignition switch in the ON position.
- At this time, you can start the
engine.
- The indicator light goes off after
starting the engine.
This indicator light blinks:
- Whenever there is a malfunction with
the immobilizer system, have the
vehicle inspected by an authorized
HYUNDAI dealer.
With smart key

This indicator light illuminates for up to
30 seconds:
- When the vehicle detects the smart
key in the vehicle with the Button
Start ignition switch in the ACC or ON
position.
- At this time, you can start the
engine.
- The indicator light goes off after
starting the engine.
This indicator light blinks for a few
seconds:
- When the smart key is not in the
vehicle, you cannot start the engine.
This indicator light illuminates for 2
seconds and goes off:
- If the smart key is in the vehicle and
the Button Start ignition switch is
ON, but the vehicle cannot detect the
smart key, have the vehicle inspected
by an authorized HYUNDAI dealer.
This indicator light blinks:
- Whenever there is a malfunction with
the immobilizer system, have the
vehicle inspected by an authorized
HYUNDAI dealer.
Electronic Stability Control
(ESC) indicator light
This indicator light illuminates:
When the ignition switch is in the
ON position. The Electronic Stability
Control indicator light ill ...
This indicator light illuminates:
When the ignition switch is in the ON
position. The downhill brake control
indicator light illuminates for about 3
seconds and then goes off.
When yo ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Air Cleaner
- Removal and installation
Air Cleaner Assembly
1.Disconnect the battery negative terminal.
2.Remove the engine cover.(Refer to Engine And Transaxle Assembly - “Engine Cover”)
3.Remove the air duct (A).
4.Remove the air cleaner assembly.(1)Disconnect the air flow sensor connector (A) ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Description and Operation
- Description
The system detects the passenger in the vehicle and prevents the driver
from getting off the vehicle with the passenger in the back.
– 1st warning: If you open the driver's door after you open and then
close the rear passenger and turn the engine off, the system provides
...