1996 Ford Thunderbird Owner's Manual - Page 238

Comparisons With EPA Estimates EPA fuel economy figures are obtained from laboratory tests under simulated road conditions and may not reflect the actual conditions you experience or your style of driving. The EPA fuel economy estimate is not a guarantee that you will achieve the fuel economy shown. The following decrease fuel economy: u Lack of regular, scheduled maintenance u Rapid acceleration and excessive speed u Driving with your foot on the brake u Sudden stops u Extended engine idling u Using speed control in hilly terrain u Extended use of the A/C, defroster, rear window defroster and other accessories u Underinflated tires u Heavy loads u Aftermarket add-ons such as bike, ski or luggage racks, bug deflectors, etc. Self-Service Pointers If you choose to do your own fueling, you should also perform a few simple maintenance routines. This extra effort will save you additional money and contribute to the driving efficiency of your vehicle. The following procedures require only a tire gauge, a rag, an oil can spout and windshield washer fluid. u Check the engine oil at every refueling stop u Clean the windshield, outside mirrors and headlights 236