2015 Buick LaCrosse Owner Manual - Page 30

In Brief 1-23 E85 or FlexFuel Vehicles with a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). See E85 or FlexFuel on page 9-60. For all other vehicles, use only the unleaded gasoline described under Fuel on page 9-58. . Always follow posted speed limits or drive more slowly when conditions require. Keep vehicle tires properly inflated. Combine several trips into a single trip. Replace the vehicle's tires with the same TPC Spec number molded into the tire's sidewall near the size. Follow recommended scheduled maintenance. See Roadside Assistance Program on page 13-5. . OnStar® This vehicle may be equipped with a comprehensive, in-vehicle system that can connect to a live OnStar Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. OnStar services may require a paid subscription. See OnStar Overview on page 14-1. . . Driving for Better Fuel Economy Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible... Avoid fast starts and accelerate smoothly. Brake gradually and avoid abrupt stops. Avoid idling the engine for long periods of time. When road and weather conditions are appropriate, use cruise control. Roadside Assistance Program U.S.: 1-800-252-1112 TTY Users (U.S. Only): 1-888-889-2438 Canada: 1-800-268-6800 New Buick owners are automatically enrolled in the Roadside Assistance Program. . . .