> only works on one brand of car! Is that a downside? Anyone who's ever struggled with hardware driver problems knows that the more hardware configurations you

> only works on one brand of car! Is that a downside? Anyone who's ever struggled with hardware driver problems knows that the more hardware configurations your software (notionally) supports, the more likely you are to have show-stopping bugs. In a home PC, some reliability is arguably a fair trade-off for versatility. Not in a car.