How to use the coupon of Qunar.com hotel shuttle bus?

First of all, you enter-where to go in official website, and find the navigation bar with the word "car" on the upper right. Click the car navigation bar to enter the interface, which contains "pick up the plane" and "drop off the plane". After selecting, submit the order, enter the interface after submitting the order, and fill in your name and mobile phone number in the "voucher".