For 2001, Cadillac reveals only minor changes to their luxury vehicle line-up. Recently redesigned in the 2000 model year, Cadillac's flagship DeVille sedan adds a host of high-tech enhancements. Tire pressure monitoring system and an advanced infotainment unit is new optional on the large luxury four-door. A CD player is now included in the dash of every 2001 Cadillac DeVille. The 2001 Cadillac Seville can be opted with a richer assortment of new features such as HID headlights and a hands-free cellular phone system. On the 2001 Cadillac Catera, ventilated rear disc brakes are now equipped on the entry-level sedan. The Cadillac Escalade premium sport utility vehicle skips the 2001 model year as an all-new version is slated for 2002.