Safety Belt Warning Indicator

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The belt minder function provides warnings to the driver if the appropriate front safety belts are not fastened when driving. The belt minder function is controlled by the instrument cluster using:

High speed CAN bus messages, from the RCM, to monitor the status of the front safety belts.
An input from the occupant classification system to monitor the status of the front passenger seat.

When the ignition is switched to on, the instrument cluster illuminates the safety belt warning indicator until one of the front safety belts is fastened or the belt minder function is triggered. The belt minder function is triggered when the ignition switch is in accessory/convenience and the following conditions coexist:

The belt minder function is enabled.
Vehicle speed is 8 km/h (5 mph) or more.
The vehicle is not in reverse.
The driver safety belt or, if the front passenger seat is occupied, the front passenger safety belt, is unfastened.

When the belt minder is triggered, the instrument cluster generates the following warnings for 10 seconds.

Flashes the safety belt warning indicator at 2 Hz.
Sounds a repeating chime in sequence with the flashing safety belt warning indicator.

After 10 seconds, the repeating chime is discontinued and the safety belt warning indicator changes from flashing to continuously illuminated for 20 seconds. While the trigger conditions still coexist, the warnings are repeated every 30 seconds until one of the following occurs:

5 minutes has elapsed from when the warnings were first triggered.
The safety belt of each occupied front seat is fastened.
The ignition mode is position 0.
The vehicle speed decreases to 5 km/h (3 mph).

For non NAS vehicles the belt minder function can be enabled and disabled using the driver safety belt switch. The instrument cluster changes the state of the belt minder function if, within 60 seconds of first entering ignition mode II, the driver safety belt is fastened and unfastened nine times. Successful completion of the change is indicated by a single chime and the safety belt warning indicator flashing five times, at 2 Hz. The belt minder function can also be enabled and disabled using a Jaguar approved diagnostic system.