Chevrolet Sonic Owner's Manual: Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and
displays the 
%CHANGE message on the
DIC when it is necessary to change the engine oil and filter.
Remember, the oil life display must be reset after each oil change. It will not reset itself.
Resetting the Oil Life System
1. Press the MENU button to show Remaining Oil Life on the display. This display shows an estimate of the oil’s remaining useful life. If 99% is displayed, that means that 99% of the current oil life remains.
2. To reset the engine oil life system, press the SET/CLR button while the oil life display is active. After a few seconds, there will be a single chime and the oil life will be reset to 100%.
Be careful not to reset the oil life display accidentally at any time other than when the oil has just been changed. It cannot be reset accurately until the next oil change.
See Engine Oil Life System.
Tire Pressure Monitor
This vehicle may have a Tire Pressure Monitor System (TPMS).
The low tire pressure warning light alerts to a significant loss in pressure
of one of the vehicle's tires. If the warning light c ...
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.
A ...
Other materials:
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits need to be working
If the warning light comes on, there is a brake problem. Have the brake system
...
Strut and Shock Absorber Inspection
Note: The strut assembly DOES NOT have to be removed from the vehicle
to perform the following inspection procedure.
Note: A light film of oil on the top portion of the strut is normal.
DO NOT replace the strut for this condition.
Condition 1
Oil or fluid residue only o ...
Fuel Tank Fuel Pump Module Replacement (Steel Tank)
Special Tools
EN-48279 Fuel Sender Lock Ring Wrench
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Relieve the fuel system pressure. Refer to Fuel Pressure Relief.
Remove the fuel tank. Refer to Fuel Tank Replacement.
Disconnect the ...
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