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[Andy]

Reset Service Engine Soon Light - Volvo 850 with VDO-Cluster*

To reset the Service Reminder Indicator, turn the ignition on while the engine is not running. Access the diagnostic unit located on the left fender well under the hood. Connect the single wire plug to terminal #7. Press the reset button four times shortly. When the LED glows, press the button once. When the LED glows steadily again, press the button five times. When the LED glows steadily again, press the button once. After the LED gives a couple of rapid flashes, the system is reset. Unplug the connector and turn the ignition off.

*Odometer located below the speedometer needle.