Driving For Better Fuel Economy - GMC Sierra 2010 Owner's Manual

On all vehicles, the Engine Oil Life System can be reset
as follows:
1. Turn the ignition to ON/RUN with the engine off
2. Fully press the accelerator pedal slowly three times
within five seconds.
3. Display the OIL LIFE REMAINING on the DIC.
If the display shows 100%, the system is reset.
See Engine Oil Life System on page 6 20.
Fuel E85 (85% Ethanol)
Vehicles that have the 5.3L V8 engine (VIN Code 0),
the 5.3L V8 engine (VIN Code 3), the 6.0L V8 engine
(VIN Code J), or the 6.2L V8 engine (VIN Code 2) have
a yellow fuel cap and can use either unleaded gasoline
or ethanol fuel containing up to 85% ethanol (E85).
See Gasoline Octane on page 6 7 and Fuel E85
(85% Ethanol) on page 6 9.

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, if equipped.
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.
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