One problem related to automatic transmission has been reported for the 2007 Lexus IS350. The most recently reported issues are listed below.
The cold idle speed on my car is between 1000 and 1500 rpms. At certain speeds, this causes the car to slowly accelerate with the foot off the accelerator. Every other car I've driven will decelerate with the foot off the accelerator. This causes me to ride the brake at city speeds to maintain a safe speed, with the brake signals potentially confusing to other motorists. Additionally, when navigating snowy or icy parking lots & streets, hitting a slippery patch under the high cold rpms will cause the car to temporarily break free of the breaks, spin the wheels, and lurch forward. The car is equipped with winter tires. This is not a single occurrence, but happens whenever the car is driven while cold.
| Automatic Transmission problems | |
| Power Train problems |