Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full : The low washer fluid warning is illuminated even though the washer fluid reservoir is full. There are no faults stored in the system for the washer fluid level switch. A non-approved washer fluid was used that is silicone-based. Silicone-based fluids are not compatible with the contactless capacitive level sensor. Fluids that contain a silicone additive are normally colored other than blue.
