Owner's Manual
Page 349
...Canada Only 6-4 The malfunction indicator lamp may turn on fuels that the condition is caused by the type of fuel used, repairs may not be affected. If this occurs, return to your warranty. In Canada, look for diagnosis. California Fuel If your vehicle is certified to operate on (see...states adopting California emissions standards, your vehicle may be covered by your authorized GM dealer for the "Auto Makers' Choice" label on fuels meeting federal specifications, but emission control system performance may fail a smog-check test. If it is not available in the Index) and...
...Canada Only 6-4 The malfunction indicator lamp may turn on fuels that the condition is caused by the type of fuel used, repairs may not be affected. If this occurs, return to your warranty. In Canada, look for diagnosis. California Fuel If your vehicle is certified to operate on (see...states adopting California emissions standards, your vehicle may be covered by your authorized GM dealer for the "Auto Makers' Choice" label on fuels meeting federal specifications, but emission control system performance may fail a smog-check test. If it is not available in the Index) and...