Kia Stinger Auto Engine Stop At Traffic Light

I don’t have a problem with ISG (Idle Stop and Go). It’s nice when sitting at a light for 5 minutes getting “0” miles per gal. I guess I’m not in as much of a hurry to get off the line as some. The old systems shut off the A/C or heat and that was a pain but now everything stays powered. I keep the Stinger on a slow charge in the garage as I don’t use the car everyday. My $.02 worth.
 
erm.. buy a trickle charger.. hook it up when not driving?
 
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The jump posts under the hood, and run the wire up towards the windscreen so you can close it. If you're going to make a habit of it, you might install a pigtail.

I've left my car unused for two months and it didn't need to be charged.
 
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The jump posts under the hood, and run the wire up towards the windscreen so you can close it. If you're going to make a habit of it, you might install a pigtail.

I've left my car unused for two months and it didn't need to be charged.
Sorry to be ignorant but where are the jump posts under the hood?
 
Sorry to be ignorant but where are the jump posts under the hood?

Top corner of the engine bay alongside the main fuse box. The positive is under a big plastic cover with a red "+" on it.

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From interior to exterior to high performance - everything you need for your Stinger awaits you...
How do you get the plastic lid off that covers the terminal?
 
How do you get the plastic lid off that covers the terminal?
Just push on the front clamp and wiggle it until the lid comes off. Practice makes perfect....
 
I'm curious about this problem as well (engine idle stop/start not working under any circumstances.) I encountered this problem about 6 months after I bought my 2018 Stinger GT2. The dealer discovered that although the battery was functioning OK for other/general operation of the car, it would not charge sufficiently to support the idle stop/start any longer. They replaced the battery, idle stop was fine -- for about 9 more months or so. Same thing now occurs, even in warmer temperatures and after long highway drives when idle stop should work. I'm a low mileage driver, car often sits without being driven for days (and -- rarely --weeks), but should recharge well after a long highway drive. I'm less concerned about the idle stop feature itself than I am about apparently battery degradation for mysterious reasons. Anybody else ever heard of this? I'm not too close to my dealer so have not yet had them look at it again.
 
car often sits without being driven for days (and -- rarely --weeks)

This will degrade the battery and is likely the cause of the issue. Even the small load when the car sits unused is enough to cause irreparable damage. It's not enough to prevent the battery from starting the car when needed, but enough to impact the ISG function.

There is battery technology designed for steady drain, but it's not suitable for starting a vehicle in all conditions.

I'm not saying you should do anything differently, it's a minor design flaw. I wouldn't expect to get more than 2-3 years from OEM batteries anyway. If the ISG matters to you, then you will need to keep getting it replaced by the dealer.
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
This will degrade the battery and is likely the cause of the issue. Even the small load when the car sits unused is enough to cause irreparable damage. It's not enough to prevent the battery from starting the car when needed, but enough to impact the ISG (Idle Stop and Go) function.

There is battery technology designed for steady drain, but it's not suitable for starting a vehicle in all conditions.

I'm not saying you should do anything differently, it's a minor design flaw. I wouldn't expect to get more than 2-3 years from OEM batteries anyway. If the ISG (Idle Stop and Go) matters to you, then you will need to keep getting it replaced by the dealer.
Very helpful -- thanks! Like I say, more worried about battery than ISG itself. Sounds like it's not worth a trek to the dealer.
 
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The best method for recharging a deeply discharged AGM battery is to purchase a modern charger that has kept up with battery technology. Many chargers now have AGM-specific settings and desulfation steps that help recondition and recover deeply discharged AGM batteries. Do a Google search on agm batteries and desulfation.
 
It's not being "deeply" discharged, it's just enough to affect the charged capacity which the vehicle detects by way of voltage.

AGM is more tolerant of deep discharge, but that isn't the problem here.

If you cared enough to try and prevent it, you could hook up a maintenance charger for periods when you're not driving it.
 
Jfc.

the horse’s carcass has been reduced to a pancake thick slab of meat.

somebody lock this thread.

and can we please eject anyone who posts again on this subject.
 
Just to be clear. The Manual says to pull the battery out of the car if you want to charge it.
But, Everybody here says I can trickle charge the battery through the jumper terminals correct ?
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
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