Saab 9 3 I 1 YS3D owners manual page 172

text version of content this owner's manual page from owners manual to the vehicle Saab 9-3, year of production 1998 - 2002:

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

owners manual Saab 9-3

owners manual Saab 9-3 - year of production: 1998, 1999, 2000, 2001, 2002 - Saab 9 3 I 1 YS3D owners manual EN