2011 Chevrolet Avalanche Owner's Manual - Page 178

5-40 Instruments and Controls however, you do not have the benefit of StabiliTrak, so reduce your speed and drive accordingly. SERVICE PARK ASSIST If your vehicle has the Ultrasonic Rear Parking Assist (URPA) system, this message displays if there is a problem with the URPA system. Do not use this system to help you park. See Ultrasonic Parking Assist on page 9‑58 for more information. See your dealer for service. STABILITRAK OFF If your vehicle has StabiliTrak, this message displays when you turn off StabiliTrak, or when the stability control has been automatically disabled. To limit wheel spin and realize the full benefits of the stability enhancement system, you should normally leave StabiliTrak on. However, you should turn StabiliTrak off if your vehicle gets stuck in sand, mud, ice, or snow and you want to rock your vehicle to attempt to free it, or if you are driving in extreme off-road conditions and require more wheel spin. See If the Vehicle is Stuck on page 9‑22. To turn the StabiliTrak system on or off, see StabiliTrak® System on page 9‑52. SERVICE SUSPENSION SYSTEM If your vehicle has the Autoride® suspension system, this message displays when the Autoride suspension system is not operating properly. Have your vehicle serviced by your dealer. Ride Control System Messages SERVICE STABILITRAK If your vehicle has StabiliTrak® and this message displays, it means there may be a problem with the StabiliTrak system. If you see this message, try to reset the system. Stop; turn off the engine for at least 15 seconds; then start the engine again. If this message still comes on, it means there is a problem. You should see your dealer for service. The vehicle is safe to drive, SERVICE TRACTION CONTROL If your vehicle has StabiliTrak, this message displays when there is a problem with the Traction Control System (TCS). When this message displays, the system will not limit wheel spin. Adjust your driving accordingly. See your dealer for service. See StabiliTrak® System on page 9‑52 for more information.