Buick Regal: When the Change Engine Oil Soon Message Displays
Change engine oil and filter. See Engine Oil . An Emission Control Service.
When the CHANGE ENGINE OIL SOON message displays, service is required for the vehicle as soon as possible, within the next 1 000 km/ 600 miles. If driving under the best conditions, the engine oil life system might not indicate the need for vehicle service for more than a year.
The engine oil and filter must be changed at least once a year and the oil life system must be reset.
Your dealer has trained service technicians who will perform this work and reset the system. If the engine oil life system is reset accidentally, service the vehicle within 5 000 km/3,000 miles since the last service. Reset the oil life system whenever the oil is changed.
See Engine Oil Life System .
Every Engine Oil Change
► Change engine oil and filter.
Reset oil life system. See Engine Oil and Engine Oil Life System . An Emission Control Service.
► Engine coolant level check. See Engine Coolant .
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See also:
Heated oxygen sensors
The heated oxygen sensors monitor the oxygen content of the exhaust gases. Readings
are fed into a control module that continuously monitors engine functions and controls
fuel injection. The ratio ...
Handling, roadholding
Vehicle load, tire design and inflation pressure all affect vehicle handling.
Therefore, check that the tires are inflated to the recommended pressure according
to the vehicle load. See the " ...
Types of tires
WARNING:
- When changing or replacing tires, be sure all four tires are of the same type
(i.e., Summer, All Season or Snow) and construction. A NISSAN dealer may be able
to help you with informat ...
