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, ACC/LKAS switch, CMBS OFF switch, cruise control combination switch, dashlights brightness control switch, ECON switch, intelligent traction management switch, LDW OFF switch, select/reset/information switch, and VSA OFF switch.