You may approach our customer service counters for on-ground assistance. If you continue to encounter issues, you can may call our hotline at 6595 6868 (24 hours daily) to speak with our Customer Service Representatives, approach our customer service officers at the information counters on-ground, or write to us at

For Park & Work or Park & Fly related issues, please direct your enquiries to or respectively.

Please retain and submit your parking receipt(s) to us via, along with your registered Changi Account email address. 

You may update your car’s IU via the Changi App. Under the account tab, click on the settings icon. Click on profile and edit your car’s IU number.


For more detailed information on Park & Work and Park & Fly discounted parking products, please click here.

Park & Fly and Park & Work eCoupons are credited to your Changi Account upon purchase. Your eCoupon must be activated at least 10 minutes before your intended exit. Upon exit, you should see your parking charges offset up to the value of the eCoupon purchased.



You can do so with the following steps:

1. Click on "account" on the navigation bar

2. Select "passes"

Alternatively, you can also view your remaining carpark e-Coupons with the following steps:

1. Click on the "Enjoy Parking Promos" tile on the explore page

2. Click on the "Parking Promos & Perks" tile under "Other Perks and Privileges" of your "Account Page".

Upon landing on "My Carpass" portal, you may proceed to enter your vehicle IU number and select "My eCoupon" to view your active eCoupons.

 Thank you for using the Changi App.
Stay tuned for more exciting features and latest updates! 

For other app enquiries and assistance, email