Lexus GS450h Owner's Manual page 189

To prevent sensor error
■
To ensure that the sensors operate properly, do
not touch or cover them.
WARNING
Do not adjust the position of the mirror while driving.
Doing so may lead to mishandling of the vehicle and cause an accident, resulting in
death or serious injury.
GS450h_300h_OM_OM30F92E_(EE)
3-4. Adjusting the steering wheel and mirrors
189
3