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  1. Sonata All Hybrid Models (YF/LF)
    Has anyone else been caught with a bad battery that renders the car unable to be driven? My car has been in the shop for over a year with the promise that a new battery "would arrive soon". Finally I've been told they cannot source the batteries. I fear a repurchase offer will not allow the...
  2. Sonata All Hybrid Models (YF/LF)
    Hello, is it possible to do a DIY installation of a BMS ECU? I recently sent my 2011 Hybrid to the dealership for diagnostics because it would not start. At first they said it was the Main Battery Relay, even tho I told them I had replaced that part with a known good part, however they said...
  3. Sonata All Hybrid Models (YF/LF)
    hi, is it true hybrid battery life expectancy is about ten years? reasonable to think the hybrid battery life could be much longer? given that we can't drive our cars if hybrid battery fails, starting to think about what now for car. my 2011 has about 90,000 miles and no change so far in...
  4. Sonata All Hybrid Models (YF/LF)
    I am new to this/or any type of forum, for that matter, please be gentle. I bought my first hybrid about a year and a half ago, (DEC 2018) a used, very clean, 2015 Sonata Hybrid with over 120,000 miles. I was able to get the CarFax Report, and the previous owner must have been using it for...
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