Ignition Timing (Gasoline): Notes
WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
On all models, ignition timing is controlled by control module and is not adjustable.