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1998 Lexus ES 300 - Page 2 Questions & Answers
Doors unlock by themself
Assuming you mean door unlocks while parked? Toyota will not allow door to be locked using the remote control while key is in the ignition or if you with a wireless proximity key (now referred to as a FOB), while the wireless key is still in the car. If these are not the case, you may need to check out the sensor in the ignition or if using a FOB, the computer interface between the FOB circuit and the door lock.
LEXUS ES300 1998 bumpy ride?
I would seriously recommend bringing it into a Certified Lexus Dealer, there the Technicians will have most likely accoutered the issue before and have an accurate and precise diagnoses, for your ride issue.
Slight knocking noise in rear when going over rough road
Have a look under the rear end and see if the rear anti roll bar has 2 short struts with a small ball joint on each end. These wear out and give a knocking on certain surfaces. If so, any parts house will carry them.Before you spend out get it on a lift and have a good look at any and all suspension links, bushes etc. Sometimes its just a pull up on a spanner/wrench.
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