Email says 16%, 13% or 11% off for clicking the link -
Credit to @exc3113nce for the 16% off code = FLASH
Or if you want to pay more you can use "FEBFUN" for 13% off or "GAMES" for 11% off instead.
Special available for bookings made by 11:59 PM 21 February 2020 or until sold out. You are entitled only to the discount associated with the code in your email. The voucher code in this email may entitle you to a 11% or 13% or 16% discount off parking products. To be eligible to receive your discount, the voucher code must be used in the Voucher Code field on the booking site. Limited to the first 6,000 bookings. Must be booked online, at least 1 hour prior to arrival. Special not valid for ParkPremium, ParkBusiness or Parkshort and can not to be used in conjunction with any other offer. Valid for parking up until 30 September 2020
Thanks mate, Flying out of BNE next week, $60.88 for the open air park for 19 days and a good price.