“North Car Park” at Changi usually just means the terminal decks
At Singapore Changi (SIN), public info splits parking by Terminal 1, 2, 3, 4 and the Hub & Spoke open‑air lot, not by a branded “North Car Park.” When a hotel, driver, or sign says “North Car Park,” they almost always mean the multi‑storey parking blocks serving T1–T3 on Airport Boulevard, which all support long‑term parking with 24/7 access.
Long‑term parking across the T1, T2 and T3 car parks is charged per hour, then capped by a daily maximum in Singapore dollars (rates change, but think in the range of a few SGD per hour with a fixed daily ceiling). Payment uses the standard Singapore ERP‑style in‑vehicle unit with CashCard or NETS FlashPay, and there are cash/card pay stations on the ground level of each block if your car doesn’t have IU.
For Terminal 4, the main long‑term option is the open‑air T4 car park along Airport Boulevard plus the Hub & Spoke car park near Terminal 2; both are marked clearly on Changi’s official map and connect to the terminals with free shuttle buses running roughly every 10–15 minutes during peak hours. If someone tells you “North Car Park near T4,” they almost certainly mean one of these signposted T4 or Hub & Spoke areas.
Because “North Car Park” isn’t a ticket type you can select on the changiairport.com parking page, always match the name to a terminal number (1, 2, 3 or 4) before you park. Check the official parking map, confirm the car park code printed on the entrance sign, and save a photo of your level and pillar number on your phone before heading into the terminal.