Black plate (11,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
Vehicle Care
10-11
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 models, 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.
4. Turn the key to LOCK/OFF.
If the CHANGE ENGINE OIL SOON
message comes back on when the
vehicle is started, the engine oil life
system has not reset. Repeat the
procedure.
Automatic Transmission
Fluid
When to Check and Change
(Pickup Models)
Change the fluid and filter at the
intervals listed. See
Scheduled
Maintenance on page 11
‑
2
.
And be sure to use the transmission
fluid listed in
Recommended Fluids
and Lubricants on page 11
‑
8
.
How to Check
Because this operation can be a
little difficult, the decision may be
made to have this done at the
dealership service department.
If the decision is made to perform
this operation, be sure to follow all
the instructions here, or a false
reading on the dipstick could result.
Notice:
Too much or too
little fluid can damage the
transmission. Too much can
mean that some of the fluid could
come out and fall on hot engine
parts or exhaust system parts,
starting a fire. Too little fluid
could cause the transmission to
overheat. Be sure to get an
accurate reading if checking the
transmission fluid.
Wait at least 30 minutes before
checking the transmission fluid level
if the vehicle has been driven:
.
When outside temperatures are
above 32°C (90°F).
.
At high speed for quite a while.
.
In heavy traffic
—
especially in
hot weather.
.
While pulling a trailer.
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