As the vehicle gets within 3 feet of an object, identify the location (front/back) and approximate distance by both audible and visual alerts.
Available on many vehicles, usually as an extra option. A 2013 Porsche Boxster has a parking assist option for $860.
Parking Assist is standard on all models. It was was originally a $500 option starting around late-2013.
Check out our Parking Assist Installation for how we installed a system on a Model S.