Saab 9 5 I 1 YS3E owners manual page 169

text version of content this owner's manual page from owners manual to the vehicle Saab 9-5, year of production 1997 - 2005:

Starting and driving169 Traction Control System • When the car is pulling away or accelerat-TCS OFF ing with the front wheels on different sur-The TCS OFF indicator on the main instru- How the system works faces (e.g. one slippery and one dry). The ment panel will come on: The traction control system (TCS) is TCS then functions like an electronic dif-• If a fault has been detected and the designed to prevent wheelspin. This ferential lock. system has therefore been switched off. enables the car to achieve the best possible • When the car is pulling away or accelerat-• If there is a fault in the ABS system. grip and, hence, maximum tractive effort, ing on a slippery road, in which case the together with greater stability. TCS eliminates wheelspin. The same • If the system has been switched off man- The TCS system uses information from the applies when the car is reversing. ually. ABS system’s wheel sensors to detect • On cornering, if there is a tendency for the The indicator light will also come on for when the front (driving) wheels are rotating inner front wheel to rotate faster than the 4seconds when the ignition key is turned to faster then the rear wheels. It then monitors other wheels. ON, while an internal system check is per- whether one driving wheel is rotating faster • On overtaking. formed. than the other. If so, the faster wheel is TCS indicator retarded until both wheels are rotating at the WARNINGThe indicator light will come on for same speed. 4seconds when the ignition key is turned to If the two front wheels are rotating at the In normal driving, the TCS system ON, while an internal system check is per- same speed but are turning faster than the enhances the safety of the car, but it does formed. rear wheels, the torque from the engine is not mean that the car can be driven faster. The TCS light in the tachometer comes on reduced to eliminate the difference. The same care and prudence normally when the system is operative, i.e. when the The process continues until all the wheels applied should be displayed on cornering wheels are not rotating at the same speed. are rotating at the same speed. and when driving on slippery roads. The fact that the TCS system is operative The advantages of the TCS system become indicates that the limit for grip has been most apparent when the cohesion between exceeded and that the driver must exert the front wheels and the road surface is so greater care. low that one or both of the wheels would lose their grip were the car not equipped with the TCS, e.g.:

owners manual Saab 9-5

owners manual Saab 9-5 - year of production: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 - Saab 9 5 I 1 YS3E owners manual EN