A Korean expressway toll gate asks for one early decision: use the blue Hi-Pass lane only when the rental has a working device and payment arrangement. The rest of the trip becomes easier when the documents, navigation apps and return records are also settled at collection.
This South Korea rental car guide covers the IDP, insurance, Hi-Pass, Korean maps and city parking. Read the driving in South Korea overview for national rules. The five-day Jeju Island route keeps its driving stages short.
Bring the permit, licence and passport together
The Korea Tourism Organization states that foreign visitors need a valid International Driving Permit or a Korean licence to rent. The IDP must come from the same country as the domestic licence, and the name must match the passport.
Bring the original domestic licence as well. Rental companies can set their own age, experience, vehicle and payment conditions, so check the assigned branch before paying for a non-refundable booking.
Check the convention and vehicle class
Korea accepts IDPs issued under the recognised Geneva or Vienna convention arrangements described by the tourism authority. An informal “international driving licence” sold online is not a substitute.
Confirm that the permit class covers the booked vehicle and seat count. A larger van can require a different class from a compact car.
Register every driver
Each driver should appear on the rental agreement and meet the branch’s document rules. Ask how an additional driver changes insurance before anyone else takes the wheel.
Read the protection terms at the desk
Basic rental insurance can cover personal injury, third-party injury and third-party property while leaving damage to the rental vehicle under a separate protection product. Ask for the excess, exclusions and loss-of-use terms in writing.
Photograph the body, wheels, glass, interior, mileage and fuel or charge level. Include the Hi-Pass device, navigation unit and charging cable when supplied.
Record the accident contact
Save the rental company’s accident line and roadside-assistance number offline. Ask which police or insurer reports the company needs and whether the vehicle may be moved after a minor collision.
The 1330 Korea Travel Hotline can assist visitors in several languages, but the rental company’s emergency process still governs the vehicle.
Inspect under useful light
Move the car to a lit inspection area if the garage is dark. Mark existing wheel and bumper damage on the handover document before leaving.
Confirm the Hi-Pass setup
Korean expressways charge tolls. Cash or card users take a ticket at the entry gate and pay at the exit booth. Hi-Pass uses an onboard device and the blue lanes, usually positioned toward the left.
Ask the rental company whether the car has Hi-Pass, whether a payment card is inserted, and how tolls reach the final invoice. A device fixed to the windscreen does not prove that the account is active.
Use a staffed lane without Hi-Pass
Choose the cash or credit-card lane when the rental lacks a confirmed device. Keep the entry ticket flat and accessible until exit.
If you enter a Hi-Pass lane by mistake, note the toll-gate name and explain the entry at the staffed exit. Do not stop or reverse inside the lane.
Review tolls before closing the contract
Ask the return agent whether pending Hi-Pass charges will appear later. Keep the rental agreement until those transactions settle.
Load Korean navigation before collection
KTO recommends Korean map services such as Naver Map and Kakao Map for multilingual navigation. Download the app, offline details and destination names while connected to reliable internet.
Save the rental return entrance, accommodation car park and one fuel or charging stop. Search by Korean address or phone number when a translated place name produces several results.
Let the map support the road signs
Follow physical lane arrows, temporary signs and police directions. A spoken instruction can lag behind a divided junction or construction change.
At a safe stop, compare the Korean destination text with the booking confirmation. Do not hold a phone or study a map while moving.
Test the cable and mount
Confirm that the phone charges and remains visible without blocking the windscreen. Heat and continuous navigation can drain a battery faster than expected.
Keep the car outside a Seoul stay
Seoul’s public transport removes most reasons to hold a rental during central sightseeing. Collect when leaving the city or reserve a garage with a known entrance and overnight terms.
Read the sign beside a street bay and keep any plate-linked payment. Apartment, shop and restaurant parking can depend on validation from the property.
Store the plate in each payment app
Copy the Korean registration from the car rather than memory. Remove the plate after return so a later rental is not charged under the old record.
Photograph the parking sign, bay and receipt. Those three images make a useful timeline if the company forwards a notice.
Use the parking abroad guide for a short sign and receipt routine.
Return with the device accounted for
Refuel or charge near the branch, then photograph the final condition and mileage. Ask the agent to record the Hi-Pass unit, keys and accessories as returned.
Sources and review date
Hi-Pass lane use, toll payment, navigation apps and fatigue stops were reviewed on August 17, 2026 using KTO’s current Guide to Driving in Korea. Rental documents and insurance scope were checked with KTO’s rental-car information. Expressway tariff lookup was checked with Korea Expressway Corporation, and current visitor transport resources with KTO’s transportation guide. Confirm branch terms and the assigned device before driving.