Owner's Manual
Page 247
... Maintenance • Keep tires properly inflated and use only recommended size. • Operating a vehicle with alcohol may lower fuel economy. 247 2009 Grand Marquis (grn) Owners Guide (own2002), 2nd Printing USA (fus) slowing down may eliminate the need to stop -and-go driving. Unnecessary shifting ... 400 lb [180 kg] of time (greater than traveling at any speed. • Carrying unnecessary weight may reduce fuel economy (approximately 1 mpg [0.4 km/L] is not required and may reduce fuel economy. • Resting your vehicle (for example bug deflectors, rollbars/light bars, running...
... Maintenance • Keep tires properly inflated and use only recommended size. • Operating a vehicle with alcohol may lower fuel economy. 247 2009 Grand Marquis (grn) Owners Guide (own2002), 2nd Printing USA (fus) slowing down may eliminate the need to stop -and-go driving. Unnecessary shifting ... 400 lb [180 kg] of time (greater than traveling at any speed. • Carrying unnecessary weight may reduce fuel economy (approximately 1 mpg [0.4 km/L] is not required and may reduce fuel economy. • Resting your vehicle (for example bug deflectors, rollbars/light bars, running...