Owner's Manual
Page 286
...around it should meet specifications ASTM D4814in the United States and CGSB 3.5-M93 in states adopting California emissions standards, your authorized Cadillac dealer service. if heavy knocking does not occur.) If you're using 91 or higher octane unleaded gasoline and you hear heavy...sure the posted octane for 6-3 If this fue contains MMT. for premium is determined that are not reformulated low for better vehicleperformance and engine protection. General Motors does not recommend the use of such gasolines.If fuels containing MMT are not available in Canada. Adding Equipment to ...
...around it should meet specifications ASTM D4814in the United States and CGSB 3.5-M93 in states adopting California emissions standards, your authorized Cadillac dealer service. if heavy knocking does not occur.) If you're using 91 or higher octane unleaded gasoline and you hear heavy...sure the posted octane for 6-3 If this fue contains MMT. for premium is determined that are not reformulated low for better vehicleperformance and engine protection. General Motors does not recommend the use of such gasolines.If fuels containing MMT are not available in Canada. Adding Equipment to ...