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  1. Ioniq 5 Electric Forum
    Hello, I have been reading and watching YouTube on whether lt is a good idea to charge my car to 100% or only charge to 90. The owners manual seems to indicate it is ok to go to 100 , but I am looking to extend the life of the battery as long as possible? Any thoughts? I have the se with...
  2. Sonata All Hybrid Models (YF/LF)
    Hi all, My 2017 Sonata used to charge the batteries 27 miles the first year I purchased it. Since then , the charging capacity degraded all the way to20 miles total. I consulted the dealer which contacted tech support and he was told this is " by design"... The main reason I purchased the car...
  3. DM (2013-2019) LWB 7 Seater models
    Hello everyone! I’m new to the forum and a new Hyundai owner. I bought a 2014 Santa Fe GLS about a month and a half ago. It has 76,000 miles on it. Last week it broke down on my girlfriend on the way to work. She was in a drive thru getting coffee and it just shut off. Dead battery. Wouldn’t...
  4. MD (2011-2016) Elantra sedan/coupe
    Repeated Alternator battery issues, underlying problem? I have had to replace two alternators and two new batteries on my 2013 Hyundai Elantra. It's getting expensive! Now it has just happened again....I haven't gone to the shop yet cuz I'm broke but I have to jump start it every time I shut...
  5. CM (2007-2012) Santa Fe
    Hello all, My wife has a 2010 Hyundai Santa Fe with a 3.5 Lambda V6 engine which has an intermittent battery charging system failure and I am hoping to gain some insight into the cause of failure. First off, I am an electrical engineer so I know my way around a DMM/Oscilloscope/etc. The...
  6. YF (2011-2014) Sonata/i45
    A few weeks ago my stereo system completely shut off mid drive so i had reset it once i got home and everything was fine. I got back into my car the following day and it had completely shut down on me along with the charging ports. before it had shut off the first time i took my charger out of...
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