Hyundai Santa Fe (TM): Idle Stop and Go (ISG) / ISG system operation
Prerequisite for activation
ISG system operates in the following situations.
- 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 battery is sufficiently charged
- Outside temperature is not too low or too high
- The vehicle is driven over a constant speed and stops
- The climate control system satisfies the conditions
- The vehicle is sufficiently warmed up
- ISG related parts are working properly
- The incline is gradual
- The steering wheel is turned less than 180 degrees and then the vehicle stops
Information
If the ISG light (white) is turned on on the instrument cluster and does not meet the ISG system operating conditions, the ISG system is not activated.
When the ISG light (yellow) is on while the ISG system meets operating conditions, have the system be inspected by an authorized HYUNDAI dealer.
Idle Stop and Go helps reduce fuel consumption by automatically shutting down the engine, when the vehicle is at a standstill (for example, red stop light, stop sign, and traffic jam) subject to certain prerequisite conditions being satisfied as listed below.
When ISG is on the engine will be stopped automatically when both of the following occurs: 1. Vehicle speed decreases to 0 mph (0 km/h) full stop condition.
Other information:
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Heater Core. Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Loosen the mounting screws and remove the heater core cover (A).
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Evaporator Core. Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Remove the heater core.