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Home >> Lexus >> 2010 >> RX 350 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Smart Access System With Push-Button Start (For Entry Function) (Diagnostic Codes & Symptom Tests)) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) >> Symptom Tests >> Entry Interior Alarm does not Sound >> Description

Entry Interior Alarm does not Sound: Description

WARNING: This page is about a different car, the 2011 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

The smart access system with push-button start uses the combination meter buzzer to perform various vehicle interior warnings. When the conditions for each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer signal to the combination meter assembly, and the combination meter buzzer sounds.

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