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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning System - Service Information (2 Of 3) >> Rear Air Conditioning Unit >> Installation [10/2022 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:

To prevent loss of heater effectiveness, make sure the heater water hose is filled with coolant before installing.

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