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Discussion Starter · #1 · (Edited)
preface: 2017 ST2 purchased 4/26. SYNC 3 supports carplay so I'm pretty sure it has the new update.

1) Operating voltage of a car is 14V, but my radar detector which displays voltage shows a range from 11.8-14.3 or higher while operating. The unit is plugged into the front cigar lighter. In my previous car (2004 Acura) Operating voltage never fell below like 13.8 and the higher the revs, the higher the voltage. Cruising speeds was like 14.5. I first noticed the low voltage the other day when on a colder morning (35-40F) within a few minutes of driving (warm up was waiting until high idle stopped) the detector alerted me of low voltage and it was entering power save mode which it does when voltage drops below 11.8. It seems like when I'm accelerating, the voltage drops and hangs out around 12 and no accelerator is 13.5-14ish. This all seems backwards to me. The alternator is spinning faster and under a higher load under acceleration and should output the most voltage, but the opposite is true. I have no plan to upgrade the stereo to a high current drawing amplifier so I'm not particularly concerned about this, just confused.

2) There are a few questions I have about the SYNC 3. I have an iPhone to start so questions are going to be carplay related. First, please please please tell me there's a way to use Waze instead of Apple's abomination of a nav platform. I can't stand Apple Maps and would almost a paper map over that garbage. This leads into the second question. I have been able to get Waze audio through, but this happens in Apple Maps too, when it switches back to radio, it never switches back to what I was listening to. I usually listen to Sirius and after a direction it switches back to FM and after every direction I have to manually switch back to Sirius, which gets very annoying when directions become frequent. I mentioned I've been able to get Waze audio to come through, but one time it was working for a while then after a while the directions stopped playing through. Regarding the radio, I'm lost on presets with Sirius. The car comes with a default 18 presets in 3 groups of 6. When you tap and hold on one of the existing presets, you can make it a preset... When you directly tune to a station that I not included in the default 18, there is no tab or button to tap and hold and in the channel guide there is no obvious option and I feel like I exhausted all menu options and found no preset... So I can make a preset a preset, but can't make a non preset a preset..... I can't for the life of me find a picture of it, but Charlie Kelly in The Nightman Cometh from Always Sunny exclaiming "I AM HERE" to the gang is pretty much how I'm feeling about this preset and nav stuff right now. I haven't figured out non carplay text messaging yet, the SYNC said I needed to grant permissions but I haven't found where that is yet and the network at work isn't showing content on the ford owner site
 

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new car alternators are computer controlled. alternator will charge at various voltages or not charge at all based on like 100 environmental factors like speed and load and charge of battery.
 

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Discussion Starter · #3 ·
new car alternators are computer controlled. alternator will charge at various voltages or not charge at all based on like 100 environmental factors like speed and load and charge of battery.
Wow really? That kind of blows my mind
 

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my voltage seems to be much more stable, using my escort radar detector, at startup the car shows right at 14.5 and slowly works its way up to 15v (at first I was worried about the alt overcharging, but then I verified with my fluke meter that the radar was always reading almost exactly a half a volt over what it truly is) where it stays until the engine warms up than it settles back down to right around 14.6-14.7 where it pretty much will stay constant.
 
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