What battery to buy for an IS250?
My battery seems weak. Car didn't start but the lights are fine and BlueDriver OBD said battery was at 11.99V, so I tried a GooLoo jump starter. Engine turned over on the 2nd try. The battery is a standard Interstate from Costco, installed Feb 2023, but by the previous owner. Does anyone know whether Costco will honor a battery warranty if someone else bought the battery? I am a Costco member.
If Costco will not honor the warranty and I have to buy a new one, are the higher end batteries worth it? Thanks in advance for any advice.
If Costco will not honor the warranty and I have to buy a new one, are the higher end batteries worth it? Thanks in advance for any advice.
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Dinomon
RX - 2nd Gen (2004-2009)
67
Aug 2, 2013 12:45 PM



free replacement for first 3yrs, then prorated for the next 3.




