Kia Optima 2011 Owner's Manual page 134

Features of your vehicle
2. If you would like to reset or inactivate
the maintenance system press the
RESET button for more than 1 second.
The display will change to "Engine Oil
Service Message" mode.
You can move to items by pressing the
TRIP button and select the desired
item by pressing the RESET button.
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Maintenance
1. When the vehicle is at a standstill,
pressing the TRIP button for more than
2 seconds with the ENGINE START/
STOP button in the ON position or
engine running, the LCD display on
the cluster will change to the "User
Setting" mode.
You can move to the items by pressing
the TRIP button and select the item by
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pressing the RESET button.
2. In the "User Setting" mode select
"Maintenance".
3. Select the
schedule.
4. If finished, you can come out of the
Maintenance mode by pressing the
TRIP button for more than 2 seconds.
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desired maintenance