All the teams have come to Spain after a three-week break since Bahrain with upgrades to their cars and Vettel is cautiously optimistic his team will continue to set the pace.
The final design of the car isn't as iconoclastic as Gehry's Guggenheim museum in Bilbao, but Mitchell's team have made a clean break from all other aspects of car design, focussing on the relationship between people within cities and cars.
Authorities began using "bait cars" about six years ago in the Bronx to combat a chronic problem with car thefts and break-ins in working-class neighborhoods.