Battery Dead Problems of Lexus ES350

I purchased this vehicle brand new from sewell Lexus in ft. Worth texas in September 2013. Shortly there after in late October, I went to start my vehicle which is parked in my garage. The car would not start, dead battery. I jump started it and it started right away. This has happened six total times in the past year. This mainly happens when the car sits for more than 2-3 days in my garage. I have never let the car sit more than 5 days, but when I do let it sit for 3-5 days, the battery is dead. Current mileage is around 4200. I took it to the dealer in Sep. 2014. Dealer could not find an issue and said the battery is fine. 2 weeks after I left the dealer, my vehicle battery died again. Dealer recommended a new battery. A new aftermarket battery (interstate) was put in the vehicle. 2 weeks after the new battery was installed, my car would not start again. The car has no aftermarket parts, accessories, or remote start. I took the car back to the original dealer and they cannot seem to find the problem. Sewell Lexus contacted Lexus about this, and Lexus advised them they are aware of this problem with my model year vehicle and they believe it is an unknown computer part randomly turning on and draining the battery. They said this mainly happens with vehicles sitting for a few days. They said they do not have a current fix for the car. The dealer recommended installing a battery tender in my car. Too which, I declined as it does me no good to have that installed if I am on vacation, parked at the airport, ect. I am requesting a new car as I believe this car is a lemon and or refund my money due to they cannot fix my car. I still do not have my car and I am awaiting Lexus to complete their investigation.

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2008 Lexus ES 350. Consumer asserts that accelerator problems are caused by computer issues. The consumer stated when the air bag deployed after crashing into a tree due to the vehicle suddenly accelerating, the air bag injured his leg. The battery died and had to be replaced, the vsc and trac lights illuminated. The vehicle went dead again, but it wasn't because of the battery. The consumer stated he has had 4 loaner cars in a matter of 4 weeks, due to all the problems he has experienced with his vehicle. Updated 04/06/10.

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