Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Warning Notification Function Malfunction [10/2022 - ]: Procedure
- CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION)
- Check the problem symptom.
- Check the problem symptom of the warning notification function.
Result
Result Proceed to The multi-display screen does not show a warning message even though a warning light turns on or the multi-information display indicates a warning. A The multi-display screen shows a warning message even though a warning light is not on and the multi-information display does not indicate a warning. B The multi-display screen shows a warning message different from the warning light or the multi-information display. HINT:
- The warning notification function sends information to the service center through communication.
- Carefully confirm the conditions that caused the malfunction in order to determine if a temporary problem with the radio wave signal conditions caused the malfunction.
- Check the problem symptom of the warning notification function.
Result:
B
See step 6
Result:
A
See step 2
- Check the problem symptom.
- INSPECT WARNING LIGHT
- Check if the indicated warning light or message is listed in the following table.
HINT:
Only messages listed in the table are included in the warning notification function.
FOR HV MODEL:Warning Name Engine warning Hybrid control system warning Hybrid control system warning 2 Brake system warning VSC warning ABS warning ECB warning EPS warning Charging system warning Airbag warning PCS warning Cruise warning Intuitive parking assist system warning Drive start control system Brake override system warning Smart key system warning Grille shutter system warning AFS warning Automatic headlight beam level control system warning Automatic high beam system warning LED headlight warning Dynamic torque control AWD system warning Tire pressure system warning Electric parking brake warning Auto hold warning BSM system warning Intelligent clearance sonar system warning Secondary collision brake warning Vehicle proximity notification system warning Engine maintenance warning LTA system warning RSA system warning RCTA warning Engine oil level warning Brake fluid warning Engine oil pressure warning Tire pressure low warning Washer fluid level warning Hybrid battery diagnostic request warning High coolant temperature warning Hybrid system temperature warning Hybrid battery cooling fan maintenance warning Towing prohibited warning Maintenance advice warning FOR GASOLINE MODEL:Warning Name Engine warning Brake system warning VSC warning ABS warning EPS warning Charging system warning Airbag warning PCS warning Cruise warning Intuitive parking assist system warning Drive start control system Brake override system warning Smart key system warning Grille shutter system warning AFS warning Automatic high beam system warning LED headlight warning Dynamic torque control AWD system warning Tire pressure system warning Electric parking brake warning Auto hold warning BSM system warning Stop and start system warning Intelligent clearance sonar system warning Secondary collision brake warning Engine maintenance warning LTA system warning RSA system warning RCTA warning Engine oil level warning Brake fluid warning Engine oil pressure warning Tire pressure low warning Washer fluid level warning High coolant temperature warning Maintenance advice warning Result
Result Proceed to Warning light or message is listed in the table. A Warning light or message is not listed in the table. B
Result:
B
END
Result:
A
See step 3
- Check if the indicated warning light or message is listed in the following table.
- CHECK CAN COMMUNICATION SYSTEM
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Bus Check.
- Check that all ECUs and sensors that use CAN communication are connected.
for HV Model: Refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - 11/2024] , or refer to DIAGNOSIS SYSTEM [11/2024 - ]
for Gasoline Model: Refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - 11/2024] , or refer to DIAGNOSIS SYSTEM [11/2024 - ]
Result
Result Proceed to There are no connection problems. A There is a connection problem. B
Result:
B
GO TO CAN COMMUNICATION SYSTEM
for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - ]
for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]
Result:
A
See step 4
- CHECK METER WARNING LIGHT
- Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.
OK
There are no problems with warning lights or warning messages.
HINT:
The warning notification function of the telematics system uses the warning notification signals sent and received by the meter/gauge system. Therefore, if the meter/gauge system is not operating normally, the warning notification function will not operate normally.
Result
Result Proceed to OK A NG B
Result:
B
GO TO METER / GAUGE SYSTEM
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]
Result:
A
See step 5
- Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.
- CHECK AUDIO AND VISUAL SYSTEM
- Check if the audio and visual system is operating and functioning normally.
OK
The audio and visual system is normal.
Result
Proceed to OK NG
Result:
OK
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY
Refer to REMOVAL [10/2022 - ]
Result:
NG
GO TO AUDIO AND VISUAL SYSTEM
- Check if the audio and visual system is operating and functioning normally.
- CHECK METER WARNING LIGHT
- Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.
OK
There are no problems with warning lights or warning messages.
HINT:
The warning notification function of the telematics system uses the warning notification signals sent and received by the meter/gauge system. Therefore, if the meter/gauge system is not operating normally, the warning notification function will not operate normally.
Result
Proceed to OK NG
Result:
OK
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY
Refer to REMOVAL [10/2022 - ]
Result:
NG
GO TO METER / GAUGE SYSTEM
- Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.