Signed-in users can also find this guide, with screenshots, under Help in the app.
Visitors don't need an account to manage their booking. All you need is the reservation code from your pass or email, and your plate.
Open the Find my reservation page. You can reach it from your pass with Extend or cancel.
Enter the Reservation code (it looks like
PK-followed by 8 characters) and your Licence plate, then tap Find.Your pass appears. If the booking is still running, set a New end time and tap Extend.
To cancel, tap Cancel reservation and confirm.
Tap Open my pass to go back to your pass.