To Decrease Speed
WARNING: This page is about a different car, the 1995 Chrysler New Yorker and 1995 Chrysler LHS. However, it is still accessible from the selected car via links, so may be relevant.
With cruise control system on, decrease set speed by pressing SET/COAST button. Vehicle speed will gradually decrease. Releasing button will set a new speed as long as vehicle speed is still more than 35 MPH.