Undercoating Hybrid Trailhunter - will this void the warranty?

[kayleighk116]

I have read mixed opinions on undercoating on a 2025 hybrid 4 Runner.

Some say it will void the warranty on the Hybrid components.

I have an appointment to have my Trailhunter undercoated with POR 15 and now I am concerned about the warranty, considering I purchased the 10 year warranty when I purchased the vehicle.

Anyone know if this is true?

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[kayleighk116]

I was surprised the dealer got back to me so quickly and answered my question.

Kayleigh,


Thanks for reaching out, and I hope you’re enjoying your 2025 Trailhunter so far.

Regarding your question about undercoating with POR-15- no, it will not void your warranty on the hybrid components. The only time warranty concerns come up is if an aftermarket product directly causes damage to a covered component. As long as the application is done properly and doesn’t interfere with any mechanical or electrical parts, you’re all set to proceed.

If you have any other questions about maintenance or accessories, I’m happy to help.


Aryn Ounthongdy

Internet Sales Manager
Middletown Toyota
634 Newfield St
Middletown, CT 06457

 

[TrdProGirl84]

I’d absolutely go talk to your Dealership before you do anything.

 

[127.0.0.1]

do not coat or touch any orange hybrid parts or cables

and do not coat any cooling fins on any transaxle or
housing that has cooling fins (this advice more for rav4/prius/highlander/sienna)

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