While the dealer should have the resources to verify it, it is YOUR vehicle. Tell them what you want. Even if they refused and only put in 6; most folks are driving more than a quart down on any given day anyways as few people actually check it as often as recommended between the longer...
Definitely good in the sense that they’re likely to at least cover the replacement in the event of a failure but I would add two things regarding your statement. 1 - Dealers, as we have all seen, can say whatever they want, good or bad, wrong or right. 2 - While they may end up covering any...
Based on your final build it seems kinda silly that you thought you might be happy with a factory optioned radio designed for the masses and not an audiophile.