Chrysler LLC is readying a sweeping, $150 million package of vehicle upgrades as new owner Cerberus Capital Management puts its first stamp on the line-up of Chrysler cars already in showrooms, executives said.

The initiative, which will be marketed under the tagline that Chrysler's new owners are ushering in a "New Day" for the struggling No. 3 U.S.-based automaker, will be introduced to Chrysler dealers next month, Chrysler executives said on the sidelines of the Detroit auto show.

The plan includes intended fixes and upgrades to over 260 vehicle features, and price changes covering 12 models.

The effort is intended to get consumers to take a new look at some of the last models rolled out under the ownership of German parent Daimler AG and demonstrate how quickly the "new" Chrysler can move to address problems, executives said.

Among the models that will be revamped are the Dodge Caliber, the Jeep Patriot and the Jeep Compass, they said...