Add Voucher or Credit on Our Website
If booking via web, you may apply it on the right side of the check out screen, right under the booking total amount, as seen below.
Add Voucher or Credit In-App
Simply add your voucher or credit code at the check out screen by scrolling down on the app past the Cost Summary. You'll see Add Brightline Credit before the Total. Tap the blue text and enter your voucher or credit code, then click "Apply."