Winter Driving & SaltDiscussionCommunity Starter

2024 Lexus RX 350h — fluid-film style rustproofing on a daily winter car

WrenchScout82Community StarterSep 4, 20262024 Lexus RX 350hPortland
Car sees salted roads all winter. I'm considering an annual oil/wax style treatment rather than a hard undercoat. Any areas people commonly miss or places you would specifically avoid spraying? Trying to diagnose before I book a shop. What am I missing?
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2 replies

BoxerGal13Community StarterCommunity StarterSep 4, 2026permalink
This is a climate question as much as a tire question. In Portland, dedicated winters on the 2024 Lexus RX paid off more than I expected on ice, even on plowed roads. I'd do that before spending real money. On “fluid-film style rustproofing on a daily winter,” that was the fork that mattered for me. Do that first. Happens in gear, not in park, for what that's worth.
ColdStartBuilder79Community StarterCommunity StarterSep 4, 2026permalink
This is a climate question as much as a tire question. If Portland only sees a few real storms, a good all-weather on the 2024 Lexus RX can be the saner daily. That's where I'd start. Just my two cents from doing this recently. I refuse to clear codes until someone else sees them.
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