One problem related to service brakes has been reported for the 2005 Lexus IS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Lexus IS based on all problems reported for the 2005 IS.
As I prepared to make a right turn onto a busy street, I suddenly could not brake normally. Instead, I was unable to press the brake down as a balloon like feeling pushed it back up, but it also did not return all the way up to its normal position. The result was I was moving with no way to slow down the car. Fortunately, I was not moving at a high speed and immediately shifted into park. I was fortunate this did not occur while I was at full speed. The brake lights did turn on at the time of the Issue. An independent mechanic suspects a brake booster failure. Just a month before, another mechanic performed routine maintenance and found no signs of this Issue. Just 6 months before, I purchased the vehicle used with no mention of this sort of past Issue.
| Brakes Failed problems | |
| Service Brakes problems |