Lexus GS450h 2008 Quick Manual page 59

What to do if ...
If the hybrid system does not start
Make sure that the correct operating procedures have been followed.
u
If the hybrid system still does not start, see the Owner's Manual for more information or
contact your Lexus dealer.
59
Brake pedal
Make sure that the brake pedal is firmly
depressed when attempting to start the hybrid
system. (P.21)
Steering lock
Make sure that the steering lock is released.
To release the steering lock, gently turn the wheel
left or right while pressing the "POWER" switch.
(P.11)