Items Driver Will Notice
● Under certain conditions (cold or very dry), condensation in the form of water vapor can
be seen coming from the vehicle tailpipe. This is normal. It will clear within a few minutes of
normal vehicle operation.
● If th engine is left at idle for significant periods of time without reaching the minimum
exhaust operating temperatures, the engine will automatically increase the engine idle
speed for serveral minutes to maintain the condition of the particulate filter. This can be
interrupted by pressing either the service brake or the clutch.
● After prolonged idle, you may notice momentary white vapor and an odor. This is normal.
● When the High Exhaust System Temperature Lamp is illuminated, you may notice an
odor. This is normal. If the odor is excessive and you also notice white vapor, have the
exhaust system inspected for leaks.
Tips for Efficient Driving
1. Lower drive speeds - At interstate speeds, each 1.0 mph (1.6 kph) increase equals a
0.1 mpg (0.04 km/L) decrease. For example, driving at 65 mph instead of 70 mph can
save 0.5 mpg (0.21 km/L) and create roughly a 7 percent improvement in fuel economy.
2. Run in top gear more than 90 percent of the time - Every 10 percent drop in time in
top gear equals approximately a 3 percent to 5 percent decrease in fuel economy.
3. Decrease idle rpm and idling time - Using the lowest idle speed possible helps reduce
fuel use by up to 0.5 gal/hr (1.89 L/hr). Every hour of idle time that you eliminate can
increase your vehicle's fuel economy by as much a 1 percent.
4. Follow proper driving habits - Sudden braking, rapid acceleration, early downshifting
and other poor driving habits can negatively impact fuel economy by as much as 30
percent.
217P/N 12261-683 REVISED: January 2015
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