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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes, Symptom Tests & Circuit Tests >> Meter / Gauge System >> Operating Light Control Rheostat does not Change Light Brightness [12/2022 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
  • When replacing the combination meter assembly, update the ECU security key.

    Refer to UPDATE ECU SECURITY KEY [12/2022 - ]

HINT: 

Even when the light control rheostat switch is not operated, the brightness of the meter illumination is dimmed automatically when the taillights illuminate.