Oil life system
Many of today's vehicles are equipped with an Oil Life System (OLS). This system interprets your vehicle's speed and engine temperature and continuously monitors operating conditions-which helps determine when it's time for an oil change.
The OLS monitors a number of conditions, including engine revolutions, engine temperature, and miles driven to let you know precisely when to come in for an oil change. As soon as you notice your vehicle's OLS light illuminate, you will know it's time for service.
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