For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2006 🢒 STS 🢒 Driving Your Vehicle 🢒 Your Driving, the Road, and Your Vehicle 🢒 All-Wheel Drive (AWD) System

All-Wheel Drive (AWD) System for Cadillac STS 2006

If your vehicle is equipped with this feature, engine power is sent to all four wheels all the time.

This is like four-wheel drive, but it is fully automatic.