2009 Pontiac G8 Owner's Manual - Page 186

8-20 Driving and Operating ESP is automatically enabled whenever the vehicle is started. To limit wheel spin, especially in slippery road conditions, always leave the system enabled. ESP can be turned off if needed. It is recommended to leave the system on for normal driving conditions, but it may be necessary to turn the system off if the vehicle is stuck in sand, mud, ice or snow, and you want to rock the 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 Your Vehicle is Stuck in Sand, Mud, Ice, or Snow on page 8-29. The system may be heard or felt while it is working. This is normal and does not mean there is a problem with the vehicle. When this light and the STABILITY CTRL OFF message is on and the ESP OFF message is displayed, the system will not limit wheel spin. Adjust your driving accordingly. See DIC Warnings and Messages on page 4-26 for more information. The ESP button is located in front of the transmission gear selector lever. To turn the system off or on, press and release the ESP button. The DIC will briefly display the appropriate message and then return to the trip computer display.