Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Driving Your Vehicle / Idle Stop and Go (ISG) System

Idle Stop and Go helps reduce fuel consumption by automatically shutting down the engine, when the vehicle is at a standstill (i.e. red stop light, stop sign, and traffic jam).

ISG system is always active, when the engine is running.

Information

When the engine is automatically started by the ISG system, warning lights (e.g. ABS, ESC, ESC OFF, MDPS, and parking brake warning light) may illuminate for a few seconds if the battery voltage is low and does not indicate a malfunction with the ISG system.

Good Braking Practices
WARNING Whenever leaving the vehicle or parking, always come to a complete stop and continue to depress the brake pedal. Shift the gear to the P (Park) position, apply the parking brake, and ...

ISG System Operation
Prerequisite for activation The driver's seatbelt is fastened. The driver's door and hood are closed. The brake vacuum pressure is adequate. The battery sensor is activated and the bat ...

Other information:

Hyundai Tucson (NX4) 2022-2023 Owner's Manual: Smart key precautions. Replacing the battery
Smart key precautions The smart key may not work if any of the following occur: The smart key is close to a radio transmitter such as radio station or airport that may interfere with normal operation of the transmitter. The smart key is near a mobile two way radio system or a mo ...

Hyundai Tucson (NX4) 2022-2023 Owner's Manual: EPB malfunction
Electronic Parking Brake (EPB) warning light illuminates if the ignition switch is in the ON position and goes off in about 3 seconds if the system is operating normally. If the EPB warning light remains on, comes on while driving, or does not come on when the ignition switch is ON, t ...

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