For safe driving, adjust the seat and mirror to an appropriate position before driving.
Correct driving posture

Correct use of the seat belts
Make sure that all occupants are wearing their seat belts before driving the vehicle.
Use a child restraint system appropriate for the child until the child becomes large enough to properly wear the vehicle's seat belt.
Adjusting the mirrors
Make sure that you can see backward clearly by adjusting the inside and outside rear view mirrors properly.
WARNING Observe the following precautions.
Failure to do so may result in death or serious injury.
Doing so could cause the driver to lose control of the vehicle.
A cushion may prevent correct posture from being achieved, and reduce the effectiveness of the seat belt and head restraint.
Objects placed under the front seats may become jammed in the seat tracks and stop the seat from locking in place. This may lead to an accident and the adjustment mechanism may also be damaged.
Also, if you feel tired or sleepy while driving, do not force yourself to continue driving and take a break immediately.
Before driving
Seat beltsLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Panoramic Moon Roof System: System Description
SYSTEM DESCRIPTION PANORAMIC MOON ROOF SYSTEM DESCRIPTION (a) The panoramic moon roof system controls the sliding roof operation using the sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly). Operating the map light assembly results in electri ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
The power back door system troubleshooting procedure is based on the premise that the smart access system (for Entry Function) is operating normally. Check the power back door system first before troubleshooting the power back door system.
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Use the foll ...