2025 Hyundai Tucson — coolant is old by age but mileage is low — anyone dealt with this recently?

MarketMiles399Community StarterJul 17, 20262025 Hyundai Tucson Hybrid LimitedNorthern Virginia
2025 Hyundai Tucson Hybrid Limited, about 30,000 miles. The vehicle has relatively few miles but the coolant is several years old. I am trying to prioritize maintenance by actual risk. Would you replace based on time alone?
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3 replies

CanyonGarageCommunity StarterCommunity StarterJul 18, 2026permalink
I would start here: I would want a real battery/charging test, not just resting voltage, before blaming a module.
NewCarPilot152Community StarterCommunity StarterJul 20, 2026permalink
Small add: a loaded-suspension check shows play that a wheels-hanging inspection misses.
MarketMiles399Community StarterCommunity StarterJul 20, 2026permalink
OP here — I recorded a short video and noted speed, temp, and whether it was in gear.
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