Your Couple Condo is equipped with an electronic parking brake. To use the parking brake, pull the button to the left of the steering wheel. It has a P on it:
When the parking brake lights up yellow it is set. Release it if you want to start driving again by pressing it again.
We recommend using it even when parked on a flat surface as the vehicle sometimes rolls when you are walking around the van.
Watch this video for a more detailed explanation: