Lexus 2013 GS 350 Owner's Manual page 723

If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Stop the engine. Set the parking brake and shift the shift lever to P.
1
Remove the mud, snow or sand from around the rear wheels.
2
Place wood, stones or some other material under the rear wheels to
3
help provide traction.
Restart the engine.
4
Shift the shift lever to D or R and release the parking brake. Then, while
5
exercising caution, depress the accelerator pedal.
When it is difficult to free the vehicle
■
Press to turn off TRAC.
GS350_U (OM30C34U)
7-2. Steps to take in an emergency
I n f o r ma t i o n P r o v i d e d b y :
7