Circuit/System Verification
WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Observe the Steering Wheel Position parameter changes smoothly while turning the steering wheel through its entire range. Correlate zero reading with wheels in the straight ahead position. Drive the vehicle through a variety of maneuvers turning to the left, to the right and then straight ahead at a speed greater than 20 km/h (13 mph).