Where is the pwr ect switch located on my ls 400?

The PWR ECT switch on your Lexus LS 400 is typically located on the center console, near the gear shifter. It may be labeled as "PWR" or "ECT" and is used to adjust the transmission's performance settings. Depending on the model year, it might also be found on the dashboard or near the driver's side controls. Always refer to your owner's manual for the exact location specific to your vehicle.