After the service, I took a look at the fluids in the car. There is a tank marked coolant with F and L marks on it, and the the level of fluid in this tank was (significantly) below the L mark - it looks like there are about two cups total at the very bottom.
This means that you can book a round-trip ticket to Hawaii from anywhere Delta flies in the US, Canada, Mexico, Puerto Rico, or US Virgin Islands using Korean Air miles for only 25,000 miles in coach or 45,000 miles in Business Class.
Chase Ultimate Rewards are the best points to use for flights to Hawaii as they offer the ability to redeem for flights with transfer partners at the best rates. 1  Using Korean SKYPASS miles, you can book awards to Hawaii on Delta for just 25,000 miles round-trip in economy class or 45,000 miles in first, which is a fantastic deal. If you used SkyMiles for the same flights and same seats, Delta would charge you at least 45,000 and 80,000 miles.