its on the advance tech package, which includes the lane departure warning and adaptive cruise control, which is nice, you can tell with the added extra buttons on the steering wheel on the right side of the wheel...
Advanced Technology Package - $2,800
Fourteen speaker(s); Digital 5.1 channel decoding; DVD/VCD; Cruise control with distance sensors; Brake assist with preview; Collision warning system; Lane departure warning activates brakes; Requires: [U01] Technology Package
Read more:
http://www.automobilemag.com/am/2009/in ... z27pFMA1tF
you can also tell by the sensor in the front bumper for adaptive cruise control.
also on the front windshield there is a front face camera for the lane departure warning
BTW its a good investment - i was considering buying a base model at first but with the advance tech package, i got a pretty hefty discount on insurance wise with the added safety