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Hyundai Equus: Engine coolant - Maintenance - Hyundai Equus 2009-2025 Owners ManualHyundai Equus: Engine coolant

The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory.

Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.

Changing the engine oil and filter
Have engine oil and filter changed by an authorized EQUUS dealer according to the Maintenance Schedule at the beginning of this section. CALIFORNIA PROPOSITION 65 WARNING Engine oil contains c ...

Checking the coolant level
WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in ser ...

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Puddle lamp
When all the doors (and trunk) are locked and closed, the puddle lamp will come on for about 15 seconds if any of the below is performed. - When the door unlock button is pressed on the smart k ...

Power Seat Module(PSM) Description and Operation
Description 1. Power Seat Module (PSM) (1) Main features ItemDescriptionInstallation location Lower section of the driver side seatComponent configuration 1. Embedded with CAN Communication ...

Troubleshooting
Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating accelera ...

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