Drowsy Driving: Mercedes, SAAB Develop Prevention Systems

Car makers Mercedes-Benz and SAAB are both using high-tech systems to help prevent drowsy-driving accidents.Mercedes introduced its Attention Assist system as a standard feature of the 2010 E-Class. Sensors measure more than 70 parameters to monitor your alertness.They keep track of your speed and acceleration. The sensors record your use of turn indicators and pedals. They even take into account