Battery for an RX-300

You can always have it tested - I wouldn't buy a battery at 28,000 miles as a preventive measure. I just traded in my '01 IS300 with

DaveW

If you change the battery -- don't forget the radio code. Hope you have that written down somewhere.

I would. Calendar time and sitting discharged are the killers for battery life, not miles. Anything beyond four years and you're living on borrowed time - it could go another year or three, but it could easily fail the next time you leave the dome light on a half hour or the temps drop. Replacing at four years, especially in a cold climate and/or when the car sits at the airport for a week or two now and then, is prudent.

Consumer Reports occasionally rates batteries - I think they liked Exide the last time I checked. At one time, Delco were considered the best. It's probably at the point where you might as well buy on price - they're probably all about the same and I wouldn't be surprised if most brands come from the same factory. So if it were my car, I'd head for the nearest AutoZone, Schucks, and buy what is on sale.

- Mark

Does the RX300 uses radio security code? I bought mine used, and the original owner doesn't know. And I can't find anything about it in the manual neither.

If there is no documentation of it in the manual and the original paperwork for the car didn't include a card or something with the code, then I doubt it had it originally.

- Mark

Thanks to everyone for the good advice. I checked with the dealer on the radio code, they said if I didn't enter one, there is no radio code, the regard it as outmoded "not current practice". I'll replace the battery next week.

I think that when the dealer replaces the battery, they have a little temporary power supply they clip onto the battery leads so that when the battery is removed, the radio does not lose its pre-sets. I've never seen what they use--perhaps battery dealers have something similar.

The last battery we had in our LS400 was a Delco. It lasted 6 years in Michigan.

Check Consumer Reports to see which brand is most likely to serve you well. I recall that the Costco house brand performed very well and was inexpensive.

Previously in alt.autos.lexus, "GRL" proclaimed :

get an Odyssey and be done with it. They've been my replacement battery of choice for my cars/suv's and motorcycles. Never had one go bad/dead on me...ever.

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