Operation CHARM: Car repair manuals for everyone.

Warning Devices

WARNING DEVICES

The warning chime sounds to remind or alert the driver:
- to turn the headlamps off when exiting the vehicle.
- to remove the ignition key when exiting the vehicle.
- to close the doors after starting the vehicle.
- to fasten the safety belt after starting the vehicle.
- to turn off the turn signal.
- to disengage the parking brake.
- that a fault is present in the air bag warning indicator circuit.
- when the message center displays a door ajar, tire pressure monitoring system (TPMS), and/or a low fuel level warning message.

The instrument cluster (IC) controls the warning chime function using various inputs to determine when to sound the warning chime. The warning chime sounds:
- if the headlamps are on with the key removed from the ignition lock cylinder and the driver door is ajar.
- if the key is in the ignition lock cylinder in the OFF position and the driver door is ajar.
- if a door is ajar and the ignition key is in the ON position.
- if the safety belts are not fastened and the ignition key is in the ON position.
- if the turn signal is on for more than 3.2 km (2 miles).
- if the parking brake is engaged and the vehicle is moving at a speed higher than 5 km/h (3 mph).
- if the ignition switch is in the ON position, a secondary air bag warning chime request is received from the restraints control module (RCM), and the instrument cluster (IC) determines a fault is present in the air bag warning indicator.
- when the message center displays a door ajar, tire pressure monitoring system (TPMS), and/or a low fuel level warning message.

Audible signals are also provided to confirm operation of the following vehicle systems:
- Turn signal
- Hazard signal