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.
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HOMESERVICE MANUALSTOYOTA2025HIGHLANDER XLE, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 111 (SMART KEY SYSTEM (FOR START, HV) - SYMPTOM TESTS (2 OF 2))
2025 Toyota Highlander XLE, FWD
Section 111 (Smart Key System (For Start, HV) - Symptom Tests (2 Of 2))
2025 Toyota Highlander XLE, FWDSECTION Section 111 (Smart Key System (For Start, HV) - Symptom Tests (2 Of 2))
WARNING: This page is about a different variant/trim than selected.
- SMART KEY SYSTEM (for Start Function, HV Model)
- New Key cannot be Registered [12/2019 - 10/2021]
- New Key cannot be Registered [10/2021 - 10/2022]
- New Key cannot be Registered [10/2022 - 11/2023]
- New Key cannot be Registered [11/2023 - ]
- Additional Key cannot be Registered [12/2019 - 10/2021]
- Additional Key cannot be Registered [10/2021 - 11/2023]
- Additional Key cannot be Registered [11/2023 - ]
- New Key Registration Warning Message is not Displayed [12/2019 - 10/2022]
- New Key Registration Warning Message is not Displayed [10/2022 - 11/2023]
- New Key Registration Warning Message is not Displayed [11/2023 - ]
- System Malfunction Message is Displayed on the Multi-information Display [11/2023 - ]
- Unable to Unlock Steering Wheel (Hybrid Control System cannot Start) [12/2019 - 10/2021]
- Steering Lock does not Lock [12/2019 - 10/2021]
- Security Indicator Light Does not Blink [12/2019 - 11/2023]
- Security Indicator Light Does not Blink [11/2023 - ]
- Immobilizer System does not Operate Properly [12/2019 - 11/2023]
- Immobilizer System does not Operate Properly [11/2023 - ]
RENDER: 1.0x
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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.