2011 Lexus IS 350 User Guide - Page 80

1-4. Opening and closing the windows and retractable hardtop l If an obstruction is detected in area or when the switch is operated A buzzer will sound twice and a message will be shown in the multiinformation display. Retractable hardtop operation will not activate. If the switch is released and then operated again within 2 seconds, the buzzer will sound again and a message will be shown in the multi-information display to alert the driver. If the switch is held up or down for 3 seconds, retractable hardtop operation will start normally. 1 Before driving If an obstruction is detected in area or while the trunk lid is operating, a buzzer will sound twice and a message will be shown in the multiinformation display. Retractable hardtop operation will be suspended for safety reasons. Ensure that no obstructions are near the vehicle and then operate the switch again. n Operating conditions l The vehicle is stopped. l The engine is running. (Operation while the engine is not running is possible if the "ENGINE START STOP" switch is in IGNITION ON mode, but for optimal operation the engine should be running.) l The trunk lid is closed. l The trunk opener main switch is on. (→P. 47) l The luggage cover in the trunk is properly set. (→P. 83) When the vehicle is on an incline or an uneven surface, the retractable hardtop may not activate properly. If the intuitive parking assist detect an obstruction behind the vehicle, the retractable hardtop may not operate. n Switch operation when the operating conditions are not met Even if all of the operating conditions are not met, when the switch is operated with the vehicle stopped and the retractable hardtop fully closed, the following operations can be performed: l Holding the switch up closes all the side windows. l Holding the switch down opens all the side windows. 87