How to activate a KartRider Rush+ key?

Redeeming a KartRider Rush+ key is really simple, just follow these steps:

Android:

1. Log in to the game.
2. Tap 'Settings' at the right-hand corner of the main screen.
3. Tap (Account) at the bottom of Settings.
4. Tap (Voucher Code) at the bottom of (Account).
5. Input the Code and tap OK on the pop-up screen.
6. Confirm the rewards via the in-game Mailbox. 

iOS and Web Redemption:

1. Go to https://mcoupon.nexon.com/kartrush
2. Select the Server / Input member code and voucher code.
3. Click OK.
4. Select the in-game nickname to get the items.
5. Confirm the rewards via the in-game Mailbox. 

The key is not working 

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions:  

• My key is Duplicated / Already used
• My key is Invalid
• My key is region locked / can't be activated in my country
• My key activated a different product
• My key did not activate all of the content