So what is the next opportunity then? Given that their beloved long-life oil can be hard to get, how far would you chance your car with the low-level warning light on? This isn't even the crux of the argument. The crux is that it's an easy and USEFUL thing to do, to save you the bother of dipsticks and rags. Yet they choose to give you poxy DIS instead. I know what DIS stands for though. I knew as soon as I first used it. "I won't be using DIS piece of **** again, that's for sure"