1999 Lexus SC 300 Owners Manual - Page 188

COMFORT ADJUSTMENT When you push button "1" or "2", the signal beeps and the driving position automatically adjusts to the position recorded for that button. Conditions for memorized position activation D Ignition key "ON" Selector lever in "P" position All parts of the memorized positions can be activated. However, if the brake pedal is being depressed, the seat position will not change. D Key not in ignition switch Within 30 seconds of opening driver's door The memorized position can be activated, except for the tilt and telescopic steering. If any driving position memory switch is pushed while one of the memorized driving position profiles is being activated, the operation will stop. To activate the system, push the desired button ("1" or "2") again. The driving position memory control system cannot be operated while the vehicle is moving. If the vehicle's battery is disconnected, the computer's memory will be erased and the memorized positions will have to be set again. 170