Tom H:
I believe ASSYST isn't a non-US version of FSS. Originally in the US (and elsewhere) ASSYST was the first version of a flexible (condition dependent) service system. I believe the only major difference is ASSYST did not have the oil quality sensor, only the oil level sensor. It also had the input into the instrument cluster and therefore FSS from the engine control module. Actually the oil level and quality sensor info on a current FSS system all come from the engine control module......Gilly
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