The Audi A8 returns for the 2001 model year with minimal changes to the exterior and interior. Concerning equipment changes, a multi-functional steering wheel with audio, telephone and Tiptronic controls and an Electronic Stabilization Program (ESP) are now standard features. The Premium Package now includes a heated steering wheel and the Premium Alcantara and Leather Trim Package and Solar Sunroof are no longer available options on the base A8. Other changes include new oil change intervals and a new warranty that extends coverage to four years. The Audi A8 features several standard luxury amenities as well as several advanced safety features. For added protection, front and rear side airbags and SIDEGUARD curtain airbags are standard.