hi guys ive got a 2000cc estate sport with trip computor,outside temp gauge,mpg meter after a run from worcester to hereford the check light came on with a message "oil lack" wot does this mean? ive checked the oil its fine ive even done another oil change it doesnt happen when driven in town only when on a run could it be oil presure switch? any info would be great also i was told the sport estate is rare wot do you guys think?