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Discussion Starter · #1 ·
I just hit 9k miles on my sx prestige. I went to start my carnival on Friday and the battery was dead. Couldn’t open the sliding doors either. My husband charged the battery. I thought maybe one of my kids left a light on or something. Got it charged. Nothing was left on. That night I double checked everything was off and the next morning it was dead again! We charged it and drove it. It didn’t do jt again until today. What’s weird is everytime it “dies” I get a notification from the app that one or more of my doors are unlocked. Sometimes the app sends that notification every five minutes. Then go out to the car and it’s dead. I just had my service oil change done at 8k miles when I took it in for a shattered window. I was driving down the freeway and the drivers side, middle window shattered out of nowhere (the sliding door window)! The glass landed was all over my 4 year olds car seat. I took it to the dealership. They didn’t cover it, so I paid for it but had to wait two and a half weeks to get the window in. The dealership told me to file a police report in case someone was shooting and it was a stray bullet. I live in a small town and know that where I was on the freeway, it couldn’t have been a stray, but I filed the police report anyways. My husband called around to see if any other glass shops could get the window in sooner because it had been raining. It’s too new that they couldn’t, but a lot of them did say that it could have had the clips holding the window, installed improperly and that could have caused it to shatter. Now this battery issue. I’ve also noticed the passenger side door and sliding door don’t unlock when I press unlock on the key fob, it doesn’t matter how many times. I have to get in and press unlock from the inside of the car. Annoyed is an understatement for only owning this for 6 months with now 9k miles on it and so many issues. I’ll be calling Kia in the morning to take mine in for the battery/alternator issue. I’ve seen two other battery issues on this forum, but no answers to what is wrong. Any advice is welcome!
 

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Sorry to hear about all your issues. You may want to check with your insurance after filing the police report to see what might be covered. All the other issues sounds like a service trip to the dealer. When you press the unlock button, is it once or twice? Going on memory but I thought there was a setting around the doors that get unlocked.
 

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Discussion Starter · #3 ·
Sorry to hear about all your issues. You may want to check with your insurance after filing the police report to see what might be covered. All the other issues sounds like a service trip to the dealer. When you press the unlock button, is it once or twice? Going on memory but I thought there was a setting around the doors that get unlocked.
I didn’t want to have to go through insurance for the window. It would have cost more with the deductible than what I paid to have it fixed. It was surprisingly not bad $250 for the window and $150 for the labor. I’ve tried pressing the fob once, twice, four times, it doesn’t matter how many times I press it, it still doesn’t unlock.
 

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I would take it back to the dealer for a warranty claim and let them sort out the issues. The door lock is easily reproduced so should be easy for them to diagnose and fix. The battery may be more tricky but they should be able to check the battery, alternator, and vehicle off load to see if anything could be adversely draining the battery.
 

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2022 Kia Carnival SX Prestige White
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That's odd timing on your dead battery. We got our SXP in February and have driven on several road trips (busy summer) with no issues. Then we parked it at the airport (indoor parking) for a week and returned to a car that wouldn't start or unlock... dead battery. The parking lot had a large battery jumper that got it started and thankfully we made it home, but the battery was dead the next day. I tried to jump it with our other vehicle with no luck. Called Kia and they towed it to the dealer. They tried to charge it and it wouldn't hold a charge so they replaced it. I asked for information and they said they alternator was working fine and putting out the proper power, but the battery was dead. I figured maybe it was just a bad battery/cell. It is also possible that one of my kids left an interior light on, though after we got the car jumped, none we left on. Regarding your sliding doors, double check all your settings in the infotainment as I noticed several settings were defaulted after our battery was changed.
 

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Discussion Starter · #7 ·
I meant to say that the tow and new battery were done under the warranty. No cost to us, but a little inconvenience.
That’s funny you say you parked it at the airport for a week. We got back from a 5 day trip last Monday and Friday is the day mine died. Ours was also parked at the airport. It still is so new that it should be able to sit for 5-7 days without driving and not have a dead battery. My husband jumped it this morning and took it over to the dealership. They gave me a rental while they work on it. I hope it’s just a battery. It is just very inconvenient. I hate that it doesn’t feel reliable. They are going to look into the doors not unlocking as well. I’ll update this post once I know more.
 

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2022 Kia Carnival SX Prestige White
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I agree. Ours had about 8,700 miles on it at the time (last week). I told the dealer a new battery should be able to go a week without dying and he agreed, but didn't really have any further insight.
 

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I was having the same issue with my passenger side doors not unlocking. See my post: Passenger door not unlocking

I took it to the dealer and they said they ran a software update. That seemed to mostly fix the problem for us. Every now and then it still doesn't seem to work on the first try though.

As for the battery, my van is sitting in an airport parking garage right now. This post has got me now scared that I will not be able to drive home when I fly back in a few days.....
 

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That’s funny you say you parked it at the airport for a week. We got back from a 5 day trip last Monday and Friday is the day mine died. Ours was also parked at the airport. It still is so new that it should be able to sit for 5-7 days without driving and not have a dead battery. My husband jumped it this morning and took it over to the dealership. They gave me a rental while they work on it. I hope it’s just a battery. It is just very inconvenient. I hate that it doesn’t feel reliable. They are going to look into the doors not unlocking as well. I’ll update this post once I know more.
I'm tracking this thread and looking forward to hearing about what they found out.
 

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Discussion Starter · #15 ·
I'm curious to see if there was any updates on this thread?
I’m sorry I forgot to post the update. After exactly one week of having a rental car, I got my carnival back. I was really frustrated because it went in on Wednesday, on Friday they told me the battery tested fine and it was something else drawing power from the battery. That they were running more tests. Didn’t hear anything when I called Monday, never got a call back. Finally got ahold of someone Tuesday late afternoon after calling 3 times. Only to be told it was just the battery. Even though it was testing fine, they didn’t find issues with anything else so they had to “manually” make the battery fail so it would be covered under warranty. Then they told me about some recall on the “O” ring that they were waiting on the parts to replace. I never once got any kind of notification on a recall. Wednesday afternoon I told them it better be done because I was on my way to pick it up regardless. I think it’s a little ridiculous that changing a battery took a whole week (with a pos rental car that I wasn’t allowed to go further than 100 miles away on). Oh and my passenger sliding door still doesn’t unlock when you push the button on the drivers handle or double click the unlock on the fob. I still have to manually unlock it when I get in the drivers door. One more issue and I’m trading it in. I’m not going to be the Guinea pig that works all the kinks out for Kia. Since having it back exactly a week today, the battery thankfully hasn’t died again so hopefully that’s all it really was.
 

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2022 Kia Carnival SX
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I’m sorry I forgot to post the update. After exactly one week of having a rental car, I got my carnival back. I was really frustrated because it went in on Wednesday, on Friday they told me the battery tested fine and it was something else drawing power from the battery. That they were running more tests. Didn’t hear anything when I called Monday, never got a call back. Finally got ahold of someone Tuesday late afternoon after calling 3 times. Only to be told it was just the battery. Even though it was testing fine, they didn’t find issues with anything else so they had to “manually” make the battery fail so it would be covered under warranty. Then they told me about some recall on the “O” ring that they were waiting on the parts to replace. I never once got any kind of notification on a recall. Wednesday afternoon I told them it better be done because I was on my way to pick it up regardless. I think it’s a little ridiculous that changing a battery took a whole week (with a pos rental car that I wasn’t allowed to go further than 100 miles away on). Oh and my passenger sliding door still doesn’t unlock when you push the button on the drivers handle or double click the unlock on the fob. I still have to manually unlock it when I get in the drivers door. One more issue and I’m trading it in. I’m not going to be the Guinea pig that works all the kinks out for Kia. Since having it back exactly a week today, the battery thankfully hasn’t died again so hopefully that’s all it really was.
Yeah, there's a reason why people avoid going to dealer service centers. The warranty is the only reason why I ever step foot in a dealership between purchases.
 

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I’m sorry I forgot to post the update. After exactly one week of having a rental car, I got my carnival back. I was really frustrated because it went in on Wednesday, on Friday they told me the battery tested fine and it was something else drawing power from the battery. That they were running more tests. Didn’t hear anything when I called Monday, never got a call back. Finally got ahold of someone Tuesday late afternoon after calling 3 times. Only to be told it was just the battery. Even though it was testing fine, they didn’t find issues with anything else so they had to “manually” make the battery fail so it would be covered under warranty. Then they told me about some recall on the “O” ring that they were waiting on the parts to replace. I never once got any kind of notification on a recall. Wednesday afternoon I told them it better be done because I was on my way to pick it up regardless. I think it’s a little ridiculous that changing a battery took a whole week (with a pos rental car that I wasn’t allowed to go further than 100 miles away on). Oh and my passenger sliding door still doesn’t unlock when you push the button on the drivers handle or double click the unlock on the fob. I still have to manually unlock it when I get in the drivers door. One more issue and I’m trading it in. I’m not going to be the Guinea pig that works all the kinks out for Kia. Since having it back exactly a week today, the battery thankfully hasn’t died again so hopefully that’s all it really was.
I would call and speak with the service supervisor or contact Kia directly at 1 (800) 333-4542. If the vehicle isn't functioning as stated then it also might be covered under your state's lemon law.
 
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