Booster-Active Brake - MK25: Description
WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
The active brake booster is part of the Electronic Stability Program (ESP). It is serviced as part of the power brake booster. For more information on ESP, (Refer to ELECTRONIC STABILITY PROGRAM - MK25 ).