2010 Jeep Patriot Owner's Manual - Page 330

STARTING AND OPERATING 329 ESC Malfunction Indicator Light The "ESC Malfunction Indicator Light" in the instrument cluster will come on when the ignition switch is turned to the ON position. It should go out with the engine running. If the "ESC Malfunction Indicator Light" comes on continuously with the engine running, a malfunction has been detected in the ESC system. If this light remains on after several ignition cycles, and the vehicle has been driven several miles (kilometers) at speeds greater than 30 mph (48 km/h), see your authorized dealer as soon as possible to have the problem diagnosed and corrected. • The ESC system will make buzzing or clicking sounds when it is active. This is normal; the sounds will stop when ESC becomes inactive following the maneuver that caused the ESC activation. ESC Operating Modes The ESC system has three available operating modes for four-wheel drive equipped vehicles and two available operating modes for two-wheel drive equipped vehicles. Full On (Four-Wheel Drive Models) or On (Two-Wheel Drive Models) This is the normal operating mode for ESC. Whenever the vehicle is started the ESC system will be in this "On" NOTE: mode. This mode should be used for most driving • The "ESC Off Indicator Light" and the "ESC Malfuncsituations. ESC should only be turned to "Partial Off" or tion Indicator Light" come on momentarily each time "ESC Off" for specific reasons as noted below. the ignition switch is turned ON. • Each time the ignition is turned ON, the ESC system will be ON even if it was turned off previously. 5