Lexus GS350 Owner's Manual page 823

The rear door cannot be opened
Is the child-protector lock set?
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The rear door cannot be opened from inside the vehicle when
the lock is set. Open the rear door from outside and then
unlock the child-protector lock. (P. 120)
The trunk lid is closed with the electronic key left inside
The function to prevent the electronic key from being left inside
●
the trunk will operate and you can open the trunk as usual. Take
the key out from the trunk. (P. 104)
GS350_OM_OM30D41U_(U)
What to do if... (Troubleshooting)
823