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Old 05-18-2013, 09:55 AM   #1
Vanquished
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2012 Focus Titanium "Low Battery see Owner's Manual" after 20 Minutes of Stereo on

Hey Everyone,
I wanted to see if this problem is normal for the Focus under the given scenario.

So, I like to listen to music in the car (2012 Focus Titanium) while detailing it. I have the Sony 10 speaker sound system and after listening to the stereo (USB) at volume 9 or ten for about 20 minutes I got a message on the screen that says "Low Battery See Owner's Manual" I can't remember if I had accidentally left the fan on (i know it would make a difference) but on another instance I got the message after 40 minutes of music playing (went into battery saving mode once and I had to turn it back on) with no fan on.

I guess I can accept it if we just have a very weak low capacity battery but I used to listen to the stereo on my Mitsubishi Montero (same wattage stereo) with a 5 year old battery at the same or a little higher volume for a very long time (well over an hour) without it ever draining past being able to start or even a noticeable drain.

Just seems odd to me that a brand new car would be so inefficient or have such a bad battery. I know the stereo probably uses a lot of juice but...

Thanks!
-Vanq


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Old 05-18-2013, 10:05 AM   #2
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Or the car is being conservative
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Old 05-18-2013, 10:10 AM   #3
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I have only had this happen once and I had the Fan Blower a little over half way and the stereo on about 6. Additionally at the time I didn't realize that the Sun Screen was making the auto lights come on and I got that message ~20 minutes in.

Since then I try to remember to make sure the lights are off and do not use the blower for as long. I have yet to get that message again.

EDIT:
I usually am running on battery for ~50 minutes a day during the work week.
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Old 05-18-2013, 10:19 AM   #4
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Hmm, Maybe the power usage between 6 and 10 is a big change because the first time it happened was with no lights on or fan it was 40 minutes in (like I said I had to turn it on again after battery saver mode came up once).

Deftmetal might be right as well though, does anyone know how it gauges the low battery? Because I've not required a jump yet. Usually when the message pops up I freak out and turn the car to drive around for a bit. Never had it have a problem starting after the message though I have never left the radio on after the message.
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Old 05-18-2013, 12:43 PM   #5
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So, I'm assuming you have MFT and the push-button start (I think all Titaniums have that). Are you just turning on the MFT (pressing the power button on the stereo), or are you turning on the ignition (pressing the start button without pressing the brake, turning on all the cluster lights, etc?)

Reading the forums, you can do the first to get the stereo on without the rest of the vehicle. If you do the second, you're going to be powering up a lot of other stuff (climate control, fuel pump, etc.) that will kill your battery pretty quickly.
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Old 05-18-2013, 02:18 PM   #6
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Originally Posted by babaei View Post
So, I'm assuming you have MFT and the push-button start (I think all Titaniums have that). Are you just turning on the MFT (pressing the power button on the stereo), or are you turning on the ignition (pressing the start button without pressing the brake, turning on all the cluster lights, etc?)

Reading the forums, you can do the first to get the stereo on without the rest of the vehicle. If you do the second, you're going to be powering up a lot of other stuff (climate control, fuel pump, etc.) that will kill your battery pretty quickly.
Pressing the button puts the car into accessory mode so you get the blowers, radio or anything to do with the MFT along with any lights. Pressing the brake and then the button will start the car so you are using gas not the battery.
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Old 05-18-2013, 02:24 PM   #7
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Originally Posted by sekazi View Post
Pressing the button puts the car into accessory mode so you get the blowers, radio or anything to do with the MFT along with any lights. Pressing the brake and then the button will start the car so you are using gas not the battery.
I don't think it's a true accessory mode, if it's running the fan, headlights, etc. It's basically turning the ignition "on" without cranking the engine (equivalent to position II with the key).

I think the OP just wants the stereo (what accessory mode should be), and I think you can turn that on separately without powering up all the other stuff (which will make the battery last considerably longer).
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Old 05-18-2013, 04:35 PM   #8
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Quote:
Originally Posted by babaei View Post
I don't think it's a true accessory mode, if it's running the fan, headlights, etc. It's basically turning the ignition "on" without cranking the engine (equivalent to position II with the key).

I think the OP just wants the stereo (what accessory mode should be), and I think you can turn that on separately without powering up all the other stuff (which will make the battery last considerably longer).
Great tip babaei; I just went to my car and tried using just the stereo power button to turn it on and viola, it worked! I never knew that and have always used the start button to turn on the stereo when I didn't want the engine running.

I'm now curious if the manual mentions this...
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Old 05-18-2013, 05:01 PM   #9
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The US/Canada owner's manual is vague about this, and I'm a little disappointed about how poorly organized it is. The UK manual for the 2013 Focus is much better written and clearer about this particular subject:

ON/OFF CONTROL
Press the button with the ignition switched
off. This will operate the audio unit for up
to one hour.

If you switch the audio unit on before you
switch the ignition off, the audio unit will
switch off automatically after 10 minutes
or when you open one of the front doors.
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Old 05-18-2013, 12:59 PM   #10
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Start your car in Test Mode by holding the left 'OK' button for a few seconds and then while still holding the button start the car and continue to hold for another few seconds. Once test mode displays on the screen between the guages, use the up or down arrow to navigate to the battery volts screen. If its below 12 that's an issue with a bad battery or faulty alternator. I think mine is actually always around 13 volts which seems a little high actually.

Good luck. If it happens again take a pic and bring it to the dealer.
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