2013 Chevrolet Impala Owner Manual - Page 207

Driving and Operating conditions, you should always leave the system on. But, you can turn ESC off if you ever need to. If the vehicle is in cruise control when the system begins to assist the driver maintain directional control of the vehicle, the ESC/TCS light will flash and the cruise control will automatically disengage. When road conditions allow you to use cruise again, you may re-engage the cruise control. See Cruise Control on page 9‑28. 9-27 This light will flash on the instrument panel cluster when the ESC system is both on and activated. You may also feel or hear the system working; this is normal. When the light is on solid and the SERVICE STABILITRAK message is displayed, the system will not assist the driver in maintaining directional control of the vehicle. Adjust your driving accordingly. See Ride Control System Messages on page 5‑30. The Electronic Stability Control (ESC) system is automatically enabled whenever you start your vehicle. To assist the driver with vehicle directional control, especially in slippery road When the ESC system is turned off, the TRACTION CONTROL OFF message will appear, the STABILITRAK OFF message will appear, and the ESC OFF light will be on solid to warn the driver that both traction control and ESC are disabled. It is recommended to leave the system on for normal driving conditions, but it may be necessary to turn the system off if your vehicle is stuck in sand, mud, ice, or snow, and you want to "rock" your vehicle to attempt to free it. It may also be necessary to turn off the system when driving in extreme off-road conditions where high wheel spin is required. See If the Vehicle Is Stuck on page 9‑8. The ESC OFF button is located on the instrument panel. The traction control system can be turned off or back on by pressing the ESC OFF button. To disable both traction control and ESC, press and hold the button briefly.