Original batteries do not have any stickers on them, for rx350s they should be 582cca- replacement batteries are usually 575cca - try interstate 800cca for a heavy duty battery upgrade. Reply 0 Dec 5, 2013 | 03:59 AM Share #13
Having the same problem with my 2007 ES 350. This has been going on since February. New starter relay, new ignition switch, new battery. Dealer hasn't been able to find the problem. Interested in the wiring harness, can that be diagnosed when the car is not exhibiting the problem? I ...