Resetting The Oil Life System; Driving For Better Fuel Economy - GMC 2010 Sierra Denali Owner's Manual

Resetting the Oil Life System

To reset the Engine Oil Life System on most vehicles:
1. Display the OIL LIFE REMAINING on the DIC.
If the vehicle does not have DIC buttons, the
vehicle must be in P (Park) to access this display.
2. Press and hold the SET/RESET button on the DIC,
or the trip odometer reset stem if the vehicle does
not have DIC buttons, for more than five seconds.
The oil life will change to 100%.
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)
This vehicle has 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.
1-26

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.