Lexus GS430 User Manual page 393

When the selector lever is shifted into the "R" position, the
outside rear view mirrors automatically down to help backing
up. For details, see "Power rear view mirror control" on page
210.
Vehicles with rear view monitor system: When the selector
lever is shifted into the "R" position with the engine switch in
"IG−ON" mode, rear view monitor system will activate. For
instructions, see "Rear view monitor system" on page 395.
STARTING AND DRIVING
(e) Parking
G31029
" 1 Parking brake pedal
2 Brake pedal
3 "P" (Park) position
1. Bring the vehicle to a complete stop.
2. Depress the parking brake pedal fully to securely apply the
parking brake.
3. With the brake pedal held down with your foot, shift the
selector lever to the "P" position.
CAUTION
Never attempt to move the selector lever into "P" under
any circumstances while the vehicle is moving. Serious
mechanical damage and loss of vehicle control may
result.
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