Hyundai Tucson: Body Electrical System / Immobilizer System

Description and Operation

- Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobiliz ...

Other information:

Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Push Button Start Ignition Switch
Whenever the front door is opened, the Push Button Start ignition switch illuminates and goes off 30 seconds after the door is closed. WARNING To turn off the vehicle in an emergency: Press and hold the Push Button Start ignition switch for more than two seconds. Or rapidly press and ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: Variable Intake Solenoid (VIS) Valve
- Description Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold. The VIS valve controls the vacuum modulator which activates a valve in the intake manifold. The ECM opens or closes this valve according to engine condition (Refer to below table). Engine Cond ...