Switch Input Check

At the initial stage of the self-diagnostic function, the beeper sounds intermittently. The beeper sounds continuously when any of the following switch inputs are switched from OFF to ON: ACC combination switch, audio remote-HFL switch, automatic brake hold switch, CMBS OFF switch, cruise control combination switch, ECON switch, integrated drive-mode switch, km/h, mph change knob, TPMS switch, and VSA OFF switch.