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.
Rewards. 1  Earn 35,000 bonus miles after you spend $1,000 on purchases in the first 90 days2. 2  Earn 2x miles on eligible purchases made directly from Hawaiian Airlines2. 3  Earn 1x miles on all other purchases with no mileage caps2.