Pre-collision system works well, but I almost got into an accident because of it
#46
you're probably right, they know nothing about these systems. i'll take the car in first thing and see if i can find out anything.
#47
first thing in the morning i will go to Lexus and grab a tech and a service manager and explain step by step what happened today. i have not found any videos that extensively explain the inner workings of whatever system it may be that's causing this. i do know that i was too close to the car bumper in front of me before i changed lanes the gauge display just flashed lights and i heard the beeping. that was my fault for being to close and the sensors and beeping did what they were designed to do... it's the sudden stop that is a major concern. will let you guys know what the techie and service manager have to say. i'm also curious as to the term gullible... who or what were you referring to???
#48
Last weekend it worked flawlessly. I avoided a breaking car in a high speed lane by taking the slow lane. Her bloody red lights didnt lit when she started breaking. ****y Volvo. She did a sudden break because a rabbit passed the road.
#51
The PCS (only preps, does not actively brake) in my 2013 LS460 "went off" today. I was doing a quick lane change in heavy traffic and I saw peripherally the central display area (between tach and speedo) start flashing (orange?). I did not notice any changes in seat belt tension, steering, or braking (although I was not braking at the time). The flashing display was only momentary, and I still don't know if there were any words or symbols shown. I suspect the same distance/speed calcs were in play in my situation as in the sticky wicket the OP experienced. Thank God I do NOT have the active system. I cannot stand the idea of a "dumb" computer overriding my carefully considered and critically executed vehicle moves in traffic. Another instance of where the system operates at the worst possible moment to the worst effect with the best intentions. Is this the government in our cars??
#52
The PCS (only preps, does not actively brake) in my 2013 LS460 "went off" today. I was doing a quick lane change in heavy traffic and I saw peripherally the central display area (between tach and speedo) start flashing (orange?). I did not notice any changes in seat belt tension, steering, or braking (although I was not braking at the time). The flashing display was only momentary, and I still don't know if there were any words or symbols shown. I suspect the same distance/speed calcs were in play in my situation as in the sticky wicket the OP experienced. Thank God I do NOT have the active system. I cannot stand the idea of a "dumb" computer overriding my carefully considered and critically executed vehicle moves in traffic. Another instance of where the system operates at the worst possible moment to the worst effect with the best intentions. Is this the government in our cars??
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