Chevrolet Impala 2008 Oil Life Maintenance Reset
The Impala's 3.9-liter V6 delivers responsive performance and manages 20 mpg overall but sounds coarse. The optional V8 in the Impala SS is quick but spins the front tires too easily. Handling is sound, but body lean is noticeable. The ride is absorbent but unsettled. The cabin is fairly quiet, but wind noise is pronounced on the highway. Controls are easy to use. The front seats are comfortable; the rear seat is unimpressive for such a large car. Head-protecting curtain air bags are standard, and ESC is optional. Reliability of the V6 is average, but the V8 is well below average.
ENGINE OIL LIFE SYSTEM WHEN TO CHANGE ENGINE OIL
Your vehicle has a computer system that lets you know when to change the engine oil and filter. This is based on engine revolutions and engine temperature, and not on mileage. Based on driving conditions, the mileage at which an oil change will be indicated can vary considerably. For the oil life system to work properly, you must reset the system every time the oil is changed. When the system has calculated that oil life has been diminished, it will indicate that an oil change is necessary. A "CHANGE ENGINE OIL SOON" message will come on. Change the oil as soon as possible within the next 600 miles (1 000 km). It is possible that, if you are driving under the best conditions, the oil life system might not indicate that an oil change is necessary for over a year. However, the engine oil and filter must be changed at least once a year and at this time the system must be reset. It is also important to check the oil regularly and keep it at the proper level. If the system is ever reset accidentally, you must change the oil at 3,000 miles (5 000 km) since your last oil change. Remember to reset the oil life system whenever the oil is changed. HOW TO RESET THE ENGINE OIL LIFE SYSTEM The Engine Oil Life System calculates when to change the engine oil and filter based on vehicle use. Whenever the oil is changed, reset the system so it can calculate when the next oil change is required. If a situation occurs where you change the oil prior to a "CHANGE ENGINE OIL SOON" message being turned on, reset the system. Always reset the engine oil life to 100% after every oil change. It will not reset itself. To reset the Engine Oil Life System:
1. Display the "OIL LIFE REMAINING" on the Driver Information Center (DIC).
2. Press and hold the "SET/RESET" button on the DIC for more than five seconds. The oil life will change to 100%.
If the "CHANGE ENGINE OIL SOON" message comes back on when you start your vehicle, the Engine Oil Life System has not reset. Repeat the procedure.
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