Adaptive Cruise Control Problems of Lexus RX

My Rx350 experienced malfunction of the advanced driver assistance systems (adas). Messages regarding the malfunction of the adas first appeared around mid-August 2024. Upon inspection during the week of August 27 2024, the Lexus dealer, akron-canton of Lexus, indicated that the malfunction was caused by rats chewing on the soy-based wiring. The dealership replaced the wiring at a cost of $1,295. 10. This is a problem caused by faulty design and inappropriate parts and design. It is inconceivable that car parts would be made of animal food. This put me and my family at serious risk of accident, as my reliance on warnings was severely compromised. Lexus needs to immediately replace the soy-covered wiring with something that is not edible by rodents or any other wildlife. In the interim, an equitable solution would be to reimburse the actual costs as well as compensate for the risks thrust upon drivers by their reckless use of inappropriate material. The repair invoice is attached.

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My vehicle has an intermittent check engine light along with an ics malfunction code that pops up on the dashboard. The car doesn’t want to turn on after every gas fill up. After taking my car to a couple of independent shops, they determined that the issue with the car was the high pressure fuel pump. The suggested, I take it to the dealer as there was TSB bulletin on it. Furthermore I still had the letter from Lexus stating the issue. The local dealership refused to do the work and suggested other work after charging a huge amount for the car inspection. Lexus corp wouldn’t help on the matter. There are 4 other complaints on this same issue and the dealers and the plexus corp are getting away with not calling this an actual recall because the government hasn’t stepped in.

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Dear manager: I have this 2006 Lexus Rx400h which has check vsc system and check hybrid system problems. When I was driving on the highway, the cruise control button is unable to turn on, when at speed of 65 mph it will suddenly stall in the middle of the road and the ready light will be off and the vehicle has to be stopped by the emergency lane which is really dangerous. I have searched online and found out there were many complains about this issue and Lexus issued a recall for this type of car and the dealer can change the inverter and icm free of charge. This recall link is as follows: https://static. Nhtsa. Gov/odi/rcl/2011/rconl-11v342-6633. Pdf so tonight I am sending this message to see if you can help me to solve this problem.

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The lane departure camera is mounted to the windshield and the glass between the windshield and the camera becomes fogged over time. This results in the lane departure system becoming less sensitive or inoperable - in particular in low-light or when sun was shining toward the camera (dusk/dawn). It also results in the adaptive cruise control becoming more erratic (abrupt in stops). This design puts the user of the vehicle and others around them at risk as key safety systems are compromised. This is in an area that is generally not easily accessible for an owner to clean. However, I was able to remove the camera and clean the glass (please see pictures) and normal function resumed immediately. This is not an operation a owner should attempt and there are warnings about camera re-calibration. I believe NHTSA should consider this a design defect that could be cured by a visit to a dealer (periodically) with their technicians performing a complementary cleaning of the interior camera glass to ensure the camera continues to function properly. About the car: this car has never been in an accident, non-smoker, always garaged (no sun/heat exposure) driven in the city with no dust or debris in the cabin (exceptionally clean inside and out) 33,500 miles at time of cleaning (photos attached). I believe this fog is due to off-gassing of cabin materials that occurs naturally as the vehicle ages.

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Lexus 2019 Rx350 driving down hill with adaptive cruise control on tries to keep speed set at 72mph but as going down hill car gains speed so adaptive cruise control applies brakes to slow down. After 1-2 mile of downhill driving the car starts to vibrate severely until adc is turned off allowing brakes to cool. Brakes seem normal as they slow car down without the vibration. Engaging adc starts the whole process over again while going down hill. Adc does not cause vibration if on normal level or slightly downgrade sloping road.