Operation CHARM: Car repair manuals for everyone.

System Operation

CHIME CONDITIONS
Audible Warnings bring to the driver's attention to one or more of several conditions:
^ Seat belt is unbuckled and ignition switch is in ON or START.
^ key is in ignition switch, ignition switch is set to OFF or ACC, and LH front door is open.
^ Headlamps or parklamps are on, ignition switch is set to OFF or ACC and LH front door is open.
^ Vehicle has traveled one mile with the LH or RH turn signal on.
^ Various warning conditions which notify the driver that a fault has occurred. Such warning chimes have an associated indicator on or a Driver Information Center (DIC) message.

CHIME PRIORITIES
When multiple chimes are required, only the chime with the highest priority sounds. The chimes are prioritized as follows:
^ The Fasten Seat Belts Warning chime overrides all other audible chimes if they exist simultaneously.
^ The Key In Ignition Warning chime overrides the Lamps On Warning chime if both exist simultaneously.

CHIME RATES
The rates of chime operation are as follows:
^ Fasten Belts Warning chime rate is 50 pulses per minute.
^ Lamps On Warning chime rate is 150 pulses per minute.
^ Key In Ignition Warning chime rate is 200 pulses per minute.