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Old 06-06-2017, 08:47 AM
 
17,499 posts, read 17,380,225 times
Reputation: 25486

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Just came from the dealership for the free oil change (free for as long as you own the new car purchase) and they did a software update to the head unit. This caused the head unit to loose all my radio station presets and my Bluetooth connection to my phone.

Couldn't factory and aftermarket head units store radio station presets in a section of memory that won't be wiped clean by a battery disconnection or software update? Televisions don't loose the station presets when the power goes out nor when there's a software update so why does this still happen with car head units? My factory unit has 12 FM presets and 6 AM presets and yes they were all set. Spent the last several minutes sitting in my car restoring those presets (since I won't try that while driving) after arriving home. Also had to reconnect my phone's Bluetooth to the head unit. I'm ok with that part since it's so easy, but reprogramming the presets is more difficult since I only have certain station numbers memorized. Had to go looking for those other stations.

I'm no electronic engineer, but couldn't this be an easy problem to fix?
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Old 06-06-2017, 08:50 AM
 
Location: NH
4,187 posts, read 3,720,414 times
Reputation: 6713
Write them down so next time you don't have to guess. That's the easiest fix I can think of.
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Old 06-06-2017, 09:03 AM
 
712 posts, read 834,256 times
Reputation: 994
Quote:
Originally Posted by victimofGM View Post
Just came from the dealership for the free oil change (free for as long as you own the new car purchase) and they did a software update to the head unit. This caused the head unit to loose all my radio station presets and my Bluetooth connection to my phone.

Couldn't factory and aftermarket head units store radio station presets in a section of memory that won't be wiped clean by a battery disconnection or software update? Televisions don't loose the station presets when the power goes out nor when there's a software update so why does this still happen with car head units? My factory unit has 12 FM presets and 6 AM presets and yes they were all set. Spent the last several minutes sitting in my car restoring those presets (since I won't try that while driving) after arriving home. Also had to reconnect my phone's Bluetooth to the head unit. I'm ok with that part since it's so easy, but reprogramming the presets is more difficult since I only have certain station numbers memorized. Had to go looking for those other stations.

I'm no electronic engineer, but couldn't this be an easy problem to fix?
solved DECADES ago - $10 on amazon .... https://www.amazon.com/Powerbuilt-64...XRF65M7704VJWQ
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Old 06-06-2017, 09:06 AM
 
17,499 posts, read 17,380,225 times
Reputation: 25486
Quote:
Originally Posted by oldoak2000 View Post
solved DECADES ago - $10 on amazon .... https://www.amazon.com/Powerbuilt-64...XRF65M7704VJWQ
Not the solution, more like a bandaid.
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Old 06-06-2017, 09:07 AM
 
28,575 posts, read 18,614,411 times
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There's no good reason why that isn't the case with modern systems. I'll bet they have people who've even thought of tucking system parameters into a bit of memory--or even make it downloadable into a flash drive...except that it would cost a few bucks to implement and it can't be said to increase sales.
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Old 06-06-2017, 09:07 AM
 
5,444 posts, read 6,945,429 times
Reputation: 15146
Quote:
Originally Posted by victimofGM View Post

I'm no electronic engineer, but couldn't this be an easy problem to fix?
Not an easy problem to fix with your existing radio, but an easy issue to resolve in a future version of the radio. I also think this is the problem with an engineer mindset. They look at it from an engineer perspective and not so much an end user perspective.
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Old 06-06-2017, 09:16 AM
 
17,499 posts, read 17,380,225 times
Reputation: 25486
Didn't have this problem with the old pull button and shove it in hard form of radio presets. Sure, you still needed to turn the dial to fine tune the reception, but you were at the area of your station when you pressed that button.
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Old 06-06-2017, 09:23 AM
 
Location: Southern Arizona
9,593 posts, read 31,581,668 times
Reputation: 11709
Unfortunately, Victim . . . another example of PROGRESS.

From what I have learned, all "new and improved" Vehicle Sound Systems require full time power or else . . .

Power drains such as this are probably why batteries croak after the vehicle sits idle for more than a few days.
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Old 06-06-2017, 11:40 AM
 
Location: Morrisville, NC
9,129 posts, read 14,690,660 times
Reputation: 9032
Quote:
Originally Posted by oldoak2000 View Post
solved DECADES ago - $10 on amazon .... https://www.amazon.com/Powerbuilt-64...XRF65M7704VJWQ
Honestly, if they loaded a new firmware on the unit, it's possible the presets would be lost no matter what. Going to depend on the way the radio is made and the procedure for loading FW.
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Old 06-06-2017, 11:52 AM
 
17,173 posts, read 12,024,115 times
Reputation: 17103
Now that I think about it my newest car, Kia Forte5, has a built in hard drive for saving songs internally. And when I disconnect the battery it does not lose fm or sat presets or bluetooth or other settings. So it must be writing those values to the hard drive.
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