例:"Castrol Edge extended"的excluded service. "** If your vehicle is under warranty, follow the oil change interval recommended by your manufacturer. Extended service is not recommended in severe service applications such as racing, frequent towing or hauling, commercial use, extremely dirty/dusty conditions or excessive idling." 如果車輛還在保固期內,必須依車廠建議週期換油;不建議用在賽事、頻繁的拖重、商業用途、極端的髒/沙塵環境、過多的怠速運轉。 還有一定要在一定週期內(通常是一年)換掉。