Oil Change Reminder
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Joined: Sep 2006
Posts: 36
From: Sacramento, CA
Oil Change Reminder
My 2007 FEH used to remind me to change oil every 10000 miles. More than a year ago I started carpooling and only use the hybrid on weekends or for long trips. My last oil change was in May 2014 and since then I have driven less than 6000 miles. Today the oil change reminder turned on.
I understand there is a time element in the countdown, but how does the car keep the time? Is there a clock somewhere? If so, does it have its own battery to keep the clock running when the main battery is disconnected? I don't think Ford would put a GPS chip somewhere to keep the time updated.
I understand there is a time element in the countdown, but how does the car keep the time? Is there a clock somewhere? If so, does it have its own battery to keep the clock running when the main battery is disconnected? I don't think Ford would put a GPS chip somewhere to keep the time updated.
Active Enthusiast
Joined: May 2009
Posts: 61
From: Seattle
Re: Oil Change Reminder
There is probably a "real time" clock in the engine control, or perhaps another part of the vehicle, that keeps time without any connection to any external battery. A $20 Casio watch can keep time for 5 years on its internal battery.
Still, you know the conditions where your car has been, and what oil you're using. It probably doesn't need an oil change.
Still, you know the conditions where your car has been, and what oil you're using. It probably doesn't need an oil change.
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Mitaka
Honda Accord Hybrid
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Jul 11, 2006 08:59 PM
