The Buzzer Does Not Sound When the CMBS Off Switch Is Operated (With ACC/CMBS)

The buzzer does not sound when the CMBS OFF switch is operated

Diagnostic Procedure:

1. Adaptive cruise control (ACC) system troubleshooting (No DTC Indication). Adaptive Cruise Control (ACC) System Troubleshooting (No DTC Indication) (With ACC/CMBS)

2. Do the gauge control module self-diagnostic function. How to Troubleshoot the Gauges and Indicators