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Entry Interior Alarm does not Sound: Procedure

CHECK COMBINATION METER ASSEMBLY (OPERATION)
1. When the power switch is on (IG) and the shift lever is in R, check that the combination meter buzzer sounds.
  OK
  
  Combination meter buzzer sounds.
NG → See step 2

OK → See step 3
GO TO METER/GAUGE SYSTEM (Proceed to Problem Symptoms Table). Refer to PROBLEM SYMPTOMS TABLE
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL