2005 Hyundai Sonata Owner's Manual - Page 157

DRIVING YOUR HYUNDAI 2 13 ELECTRONIC STABILITY CONTROL (ESC) SYSTEM C310A01NF-AAT (If Installed) loss of control. It is still your responsibility to drive and corner at reasonable speeds and to leave a sufficient margin of safety. C310B01NF-AAT ESC ON/OFF Mode When the ESC is operating, the ESC indicator in the instrument cluster will blink. If you turn the system off by pressing the ESC switch, the ESC-OFF indicator will come on and stay on. In the ESC-OFF mode, the stability control will be deactivated. Adjust your driving accordingly. To turn the system back on, press the switch again. The ESC-OFF indicator should go off. ! CAUTION: Driving with varying tire or wheel sizes may cause the ESC system to malfunction. When replacing tires, make sure they are the same size as your original tires. NOTE: B310A01NF-A The Electronic Stability Control (ESC) system is designed to stabilize the vehicle during cornering manuevers. ESC checks where you are steering and where the vehicle is actually going. ESC applies the brakes at individual wheels and intervenes in the engine management system to stabilize the vehicle. The Electronic Stability Control (ESC) system is an electronic system designed to help the driver maintain vehicle control under adverse conditions. It is not a substitute for safe driving practices. Factors including speed, road conditions and driver steering input can all affect whether ESC will be effective in preventing a ! WARNING: The ESC mode will automatically be turned ON after the engine is turned off and restarted. Electronic stability control is only a driving aid; all normal precautions for driving in inclement weather and on slippery road surfaces should be observed.