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Home >> Volkswagen >> 1990 >> Vanagon Syncro >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater System >> Air Bag Deactivation Servicing Precautions >> System Functional Check
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System Functional Check

When all service work is completed, reconnect negative battery cable. Turn ignition on. Ensure the left turn indicator light comes on for about 5 seconds and then goes out. If light does not come on for about 5 seconds and then go out, air bag system needs to be serviced.