• Once you receive your booking reference number you can manage your bookings through our website or by calling our office at +82 2 863 3540.

• Changes to bookings are generally treated as new bookings.
• You can request to cancel through our office at +82 2 863 3540 or ops@groundk.com
• Changes or cancellations must be made at least 24 hours prior to scheduled pick up time to avoid fees.

You may receive discounted rates by applying your GroundK coupon during the reservation process.

• This can be done at the final step of the booking process, on the Step 4 page. Before you click on “Book This Ride” on the Step 4, simply select Promo CODE, enter your voucher code in the designated space and click CHECK.

• The final price will be adjusted accordingly.
• Coupon discounts are available through GroundK partner benefits and a variety of GroundK promotions.
• Only one coupon that offers the highest discount rate can be redeemed per reservation. Multiple discounts are not applied.
• Coupons cannot be applied after the reservation is complete.

※ If you cancel your reservation, you will still be able to use your coupon for your next reservation (as long as the expiration date has not passed)