Ignition Problems of Lexus ES350

2010 Mercedes Benz e550. Consumer writes in regards to keyless ignition system issues and auto-off push button mechanism installation to prevent carbon monoxide poisoning. The consumer stated the vehicle was parked in the garage. The next day the garage as well as the engine was noticeably hot. 2 adults were later found unconscious in the home from carbon monoxide poisoning.

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The contact owns a 2008 Lexus Es350. The contact stated that the vehicle is equipped with keyless entry and a push button ignition. While the vehicle was stopped, she pressed the ignition button and the vehicle shut off while still in the drive gear. The contact was concerned with the vehicle shutting off while in drive mode. The current and failure mileages were less than 4,700. Updated 11/07/08 updated 11/07/08.

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I do not own the 2007 Lexus ES 350 or the Toyota camry but in the course of test driving both of the vehicles, I was shocked to discover that the "start/stop" button defeats the older ignition key interlock system. In the older keyed ignition system the car must be in park to turn off the engine and remove the key from the ignition. In the 2007 models of Lexus and camry the engine can be turned off with the vehicle in drive simply by touching the brake--there is no ignition key to place in the steering column. . Please read the following which I sent to your site this morning and was asked to file a formal complaint: ----------------------------------------------------------------------------------------------- 2007 Toyota camry and Lexus ES 350 do not use an ignition key. They use a "remote" which must be in close proximity to the vehicle when the "start/stop" button is pressed. Other manufacturers (BMW, Volvo) use both a "key" in the steering column and the "start/stop" button. While this second option at first seems redundant, it is a safety feature and Toyota/Lexus products may be prone to "rolling when stopped" in the following scenario: Toyota/Lexus: driver touches brake and hits the "start/stop" button to turn off the engine, but driver forgets to move the transmission from "drive" to "park". Upon releasing the brake the vehicle will move, if not on level ground. BMW/Volvo: as above, but driver is unable to pull "key" from steering column because vehicle is not in "park". Therefore, driver places transmission in "park" before exiting the car, otherwise he will not have the vehicle "key" with him on leaving the car, thereby avoiding the problem of vehicle moving because it is mistakenly left in "drive" on exiting the car. In summary: redundancy (key/start-stop) button serves a useful safety purpose and should be incorporated into the Toyota/Lexus products.

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