Lexus GX 460 2020 Owner's Manual page 616

If you think something is wrong
The engine does not start
Did you press the engine switch while firmly depressing the brake pedal?
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(P. 187)
Is the shift lever in P? (P. 187)
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Is the electronic key anywhere detectable inside the vehicle?
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(P. 120)
Is the steering wheel unlocked? (P. 190)
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Is the electronic key battery weak or depleted?
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In this case, the engine can be started in a temporary way. (P. 579)
Is the battery discharged? (P. 581)
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The shift lever cannot be shifted from P even if you depress the brake
pedal
Is the engine switch in IGNITION ON mode?
●
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode (P. 196)
GX460_OM_OM60R28E_(GE)
What to do if... (Troubleshooting)
615