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2021 Kia K5 EX
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Discussion Starter · #1 ·
I've had my new 21 K5 for about 2 1/2 weeks. This morning, I turned the car on and all of a sudden, after the system check, a bunch of warning lights on the dashboard came on.

  • ABS
  • Forward safety system
  • Stability
  • Auto Hold
No idea why. None of these features now work.
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579
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'21 K5 EX, black/black w/prem pkg
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Please let us know what you find out. I was thinking perhaps something was blocking the sensors on the front (radar and front camera) and the rear, at the bumper corners of your car (ice, snow, salt, dirt) but that is a lot to go wrong all at once. I have 1350 mi. on mine after 6 weeks - so far so good.
 

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Had my K5 Gt line for 2 weeks making loud metal grinding sound. Been in shop for a week can't figure out what's wrong with it. Says maybe the transfer case for the AWD. Who knows so frustrating... How does this happen on brand new car
 

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2021 Kia K5 EX
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Discussion Starter · #4 ·
Please let us know what you find out. I was thinking perhaps something was blocking the sensors on the front (radar and front camera) and the rear, at the bumper corners of your car (ice, snow, salt, dirt) but that is a lot to go wrong all at once. I have 1350 mi. on mine after 6 weeks - so far so good.
Well, I didn't find out anything yet. But, it seems to have hopefully been an isolated incident. The car sat for a few hours that day and when I went back later and turned it on, there were no issues. It hasn't happened since. Doesn't put a great taste in my mouth for the future, but hopefully it was a fluke.
 

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Keep the sensor free of snow and ice and any other debris, Its located in the front of the car, just under the license plate. It happened to me, I just cleaned off the snow and everything went back to normal, I hope that helps?!?
 

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I've had my new 21 K5 for about 2 1/2 weeks. This morning, I turned the car on and all of a sudden, after the system check, a bunch of warning lights on the dashboard came on.

  • ABS
  • Forward safety system
  • Stability
  • Auto Hold
No idea why. None of these features now work. View attachment 578 View attachment 579 View attachment 580
Same thing has been happening to mine! It’s been in the shop on 3 separate occasions for this and no one knows what wrong with it!
 

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I've had my new 21 K5 for about 2 1/2 weeks. This morning, I turned the car on and all of a sudden, after the system check, a bunch of warning lights on the dashboard came on.

  • ABS
  • Forward safety system
  • Stability
  • Auto Hold
No idea why. None of these features now work. View attachment 578 View attachment 579 View attachment 580
I’ve had this exact problem about 7 times now . Every time you let the car sit it goes away tho …
 

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I have a similarly issue, where my Cruise Control and Head on Collision keeps getting disabled! I went to 3 different shops and even replaced my bumper (had a crack on it). Still having the same issues. None of the kia shops know what to do. I even called the manufacturer and they are like all the test seems fine to us. No dust, Debris, or anything damaged on the car. I had this problem for over 1 month and yet Kia doesn't has no solution. I have a lot of videos for proof. Even the technician drove the car and saw the problem. If anyone has any solution lmk
 

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No this is more about sensors and radar. It keeps getting disabled at random times. Everything else in the car is working fine
 

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My wife’s k5 gt has been in the shop the last six weeks for this problem. Happens when you’re driving , lose all speedometers , temp gauge , all warning systems light up. Zero answers from Kia. They’ve had Kia helping to trouble shoot claiming they’ve not seen this in another k5 and they have zero clue how to fix it . We got it back yesterday , wife drove twenty minutes home to have it happen all over again so back to the shop it went . Only has a thousand miles on it, ever owned it three months and it’s been in the shop six weeks . This is our first Kia and it’s likely going to be our last . Started the buy back process yesterday
 

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My wife’s k5 gt has been in the shop the last six weeks for this problem. Happens when you’re driving , lose all speedometers , temp gauge , all warning systems light up. The steering feels like the lane assist is activated because it’s hard to steer the car . Zero answers from Kia. They’ve had Kia helping to trouble shoot claiming they’ve not seen this in another k5 and they have zero clue how to fix it . We got it back yesterday , wife drove twenty minutes home to have it happen all over again so back to the shop it went . Only has a thousand miles on it, ever owned it three months and it’s been in the shop six weeks . This is our first Kia and it’s likely going to be our last . Started the buy back process yesterday
 

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2 months in, 1600 miles, same issue. Every safety system warning light went off. Dash lit up like a Christmas tree. Have a call in to dealership.


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Wife’s car spent ten weeks in the shop. During the 8th week we started Kia buy back program and it’s been accepted . Week ten they replaced the entire chassis harness and pcm and it’s now running fine . It’s still going back, Kia is refunding our down payment , sum of all payments made to date and we are going somewhere else
 

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I’m having this same issue on my GT-Line AWD. Started at around 2000 miles and will randomly trigger Limp Mode. The check engine light sometimes goes away after I restart my car. Anyone know of a solution so far?
It’ll be 2 weeks before I can get the car to the dealership since all the dates are booked out.
 

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I've had my new 21 K5 for about 2 1/2 weeks. This morning, I turned the car on and all of a sudden, after the system check, a bunch of warning lights on the dashboard came on.

  • ABS
  • Forward safety system
  • Stability
  • Auto Hold
No idea why. None of these features now work. View attachment 578 View attachment 579 View attachment 580
To other 2020 K5 GT Line owners be on the look out for this happening too your Kia K5. Computer modulator going bad causing coolant flow disruption causing your K5 too over heat hot needle will pin too hot and a red light with loud alarm will go off. Also a defect in the fuel door lock/unlock switch. It will malfunction and wont open and guess what the brains at Kia did not think about putting a override switch inside the trunk. You will be at a gas pump on empty and you cant even open your fuel door. I put a piece of duck tape on mine so it does not close all the way leaving me stranded with no way to refuel my car. And also those Pirelli Tires they put on the GT Line are crap if you hit a pot hole you are guaranteed a blow out I had three in less then a year. My mechanic recommended Cooper Tires and since the switch I have not had any problems. The Pirelli's are made in China the Cooper Tires are made in the USA just so you know. I had a 2014 Kia Optima for five years I really like it till the motor seized in 2020 and Kia did nothing about it and I still owed $5,000 on it I had too roll if over onto my K5..I think its time too change brands
 

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2021 Kia K5 GT-Line AWD
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I thought the Pirelli's are made in Mexico? 🤔 I don't think Pirelli has a tire factory in China, though. All of their country code origins are RO, MX, DE, IT, and US for the P Zero All Seasons. The tire size specific to the 18" wheels have a country code of MX.

I don't know about Cooper Tires but Pirelli's rubber compound is usually on the softer side, which has it's ups and downs. Same with Michelins, being on the softer side. Bridgestones usually have a better wet traction rating and lasting a bit longer due to it being a harder rubber than the other two brands, but the offset is that it rides firmer, making you feel the bumps on the road more, and getting louder road noise than usual. Other brands have their own variances

So far, I haven't had any incident with the tires. Besides having to do the usual check on the tire pressure every month or so and filling it back up to 35 psi (cold), there hasn't been anything abnormal to them.
 
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