http://ConcordChryslerDodgeJeepRam.com 866-944-2534 The 2012 Jeep Liberty for Walnut Creek comes standard with antilock disc brakes, stability control, active front head restraints and side curtain airbags. Rear parking sensors are available as an option, but front-seat side-impact airbags are not even offered. In Edmunds brake testing, the Liberty came to a stop from 60 mph in a longer-than-average 134 feet. Chrysler for Walnut Creek near Concord.