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Home >> Lexus >> 2009 >> GS 450h >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Access System (Keyless Entry) (Diagnostics & Symptom Tests) >> Smart Access System With Push-Button Start >> Entry Interior Alarm does not Sound >> Description

Entry Interior Alarm does not Sound: Description

Each of the smart access system with push-button start's warnings uses the key reminder warning buzzer to alert the driver.

The combination meter repeatedly sounds the key reminder warning buzzer when one of the following occurs: 1) the activation conditions for the smart access system with push-button start warning is met, or 2) the certification ECU sends a key reminder warning buzzer signal via the BEAN line to the combination meter.