Owner's Manual
Page 462
... wiper blades that appear worn or damaged or that might keep a safety belt system from doing frequent trailer towing. − Professional vehicle uses, such as limousine service. − Uses such as needed. Applying silicone grease on weatherstrips with genuine GM parts as high performance operation. 462 Inspect all key lock cylinders...
... wiper blades that appear worn or damaged or that might keep a safety belt system from doing frequent trailer towing. − Professional vehicle uses, such as limousine service. − Uses such as needed. Applying silicone grease on weatherstrips with genuine GM parts as high performance operation. 462 Inspect all key lock cylinders...