I once went shooting and left the car on for almost an hour...I now have hearing aids and can actually heard the BEEP when exiting the car while running with the fob in my pocket....
Key ignition question
Thread Starter
Driver School Candidate
Joined: Sep 2014
Posts: 1
Likes: 0
From: New York
Key ignition question
My parents asked me:
If they start the car, and remove the magnetic key from the car from a distance, will the car continue to act as though the magnetic key is still there or will it shut off after some time?
If they start the car, and remove the magnetic key from the car from a distance, will the car continue to act as though the magnetic key is still there or will it shut off after some time?
Lexus Champion
Joined: Nov 2013
Posts: 13,288
Likes: 1,894
From: WA
It does not shut off. It does this so if your fob battery dies while you are driving, it doesn't shut off, putting you in a potentially dangerous situation (like the car stalling on the highway or in an intersection).
Lexus Test Driver
Joined: Aug 2011
Posts: 1,068
Likes: 11
From: California
I did an experiment a few years back, and im sure it still holds true today.
I drove 15 miles one way without the key fob, and the RX just keep on going, i know i can go farther but i have decided to return home.
Intermediate
Joined: Oct 2013
Posts: 381
Likes: 31
From: Napa, CA
I was also curious about this and your answer makes a lot of sense.
Rookie
Joined: Sep 2013
Posts: 74
Likes: 1
From: CA
I always assumed the "Vehicle theft-deterrent and engine-immobilizer system" mentioned in http://www.lexus.com/models/RX/safety works by not detecting the key if someone attempts to carjack the vehicle or drive away if you leave the engine running and go inside the house to grab something you forgot.
So what exactly is "Vehicle theft-deterrent and engine-immobilizer system"? How does it work? I see a blinking red light but have never heard any alarm go off - I would think over the last 1 year, I would have set off the alarm accidentally if there was one that gets armed whenever I lock the vehicle. I have a 2013 RX350.
So what exactly is "Vehicle theft-deterrent and engine-immobilizer system"? How does it work? I see a blinking red light but have never heard any alarm go off - I would think over the last 1 year, I would have set off the alarm accidentally if there was one that gets armed whenever I lock the vehicle. I have a 2013 RX350.
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Racer
Joined: Nov 2009
Posts: 1,626
Likes: 27
From: Iowa
I always assumed the "Vehicle theft-deterrent and engine-immobilizer system" mentioned in http://www.lexus.com/models/RX/safety works by not detecting the key if someone attempts to carjack the vehicle or drive away if you leave the engine running and go inside the house to grab something you forgot.
So what exactly is "Vehicle theft-deterrent and engine-immobilizer system"? How does it work? I see a blinking red light but have never heard any alarm go off - I would think over the last 1 year, I would have set off the alarm accidentally if there was one that gets armed whenever I lock the vehicle. I have a 2013 RX350.
So what exactly is "Vehicle theft-deterrent and engine-immobilizer system"? How does it work? I see a blinking red light but have never heard any alarm go off - I would think over the last 1 year, I would have set off the alarm accidentally if there was one that gets armed whenever I lock the vehicle. I have a 2013 RX350.
Oh, before trying this, read the manual about how to silence your car, it may be a bit noisy. At least the last time I tried this it was a bit loud.
Lexus Champion
Joined: Feb 2004
Posts: 1,973
Likes: 55
From: Ohio
I always assumed the "Vehicle theft-deterrent and engine-immobilizer system" mentioned in http://www.lexus.com/models/RX/safety works by not detecting the key if someone attempts to carjack the vehicle or drive away if you leave the engine running and go inside the house to grab something you forgot.
So what exactly is "Vehicle theft-deterrent and engine-immobilizer system"? How does it work? I see a blinking red light but have never heard any alarm go off - I would think over the last 1 year, I would have set off the alarm accidentally if there was one that gets armed whenever I lock the vehicle. I have a 2013 RX350.
So what exactly is "Vehicle theft-deterrent and engine-immobilizer system"? How does it work? I see a blinking red light but have never heard any alarm go off - I would think over the last 1 year, I would have set off the alarm accidentally if there was one that gets armed whenever I lock the vehicle. I have a 2013 RX350.
The alarm arms itself when you lock the vehicle using either the FOB, door handle, or the key.
Immobilizer is a different technology, not related to the alarm. It does exactly what it sounds like - immobilizes the vehicle until the key fob has been authenticated. It makes more sense in traditional mechanical keys. For example, mechanical keys have RFID chips built-in into them. If the key was simply copied and RFID was not programmed into the immobilizer, the car would crank till the cows come home, but the engine would not start. With the smart key, this functionality has been integrated. The code read from the smart key is used to enable engine starting. If the battery is the key fob dies, the RFID code can be read by holding the fob next to the start button.
Once the vehicle has been started, it will not turn itself off if the key is removed from the cabin.
Lead Lap
Joined: Nov 2013
Posts: 4,327
Likes: 1,236
From: IL
Classic scenario involves the couple driving to the train station, peck on the cheek and the partner with the key hops on the 7:15 to the city. Homeward bound driver stops to shop ( substitute No-Tell Motel for R rated version) and guess what? No start when it's time to go home...
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