ganpan Posted May 12, 2008 Share Posted May 12, 2008 Hi All, I recently purchased an 05 LS430 with 52k miles. Mechanically and Electronically the car is in good shape - except for this part assistance. When I switch it on, it says "check sonar" and points to the center sonar on the rear bumper. When I investigated it further, it looked like one particular sensor in the rear bumper had cracks around the edge of its attachment to the bumper. My question is 1. Can I still use the park assist -- is there any way to turn off that message and continue to use the park assist ? 2. Should I have to replace the whole bumper or can I just replace that sensor ? Any idea how much it could cost ? Thanks in advance for the help.. Quote Link to comment Share on other sites More sharing options...
SKperformance Posted May 12, 2008 Share Posted May 12, 2008 Start by switching the sensors around to see if the problem moves. Have you cleaned it? Quote Link to comment Share on other sites More sharing options...
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