Toyota 4Runner 2021 Owner's Manual page 217

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If the engine does not start
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The engine immobilizer system may not have been deactivated. (P. 76)
Contact your Toyota dealer.
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Check that the shift lever is securely set in P. The engine may not start if the
shift lever is displaced out of P.
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Steering lock
After turning the engine switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
engine switch again automatically cancels the steering lock.
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When the steering lock cannot be released
When the steering lock cannot be
released, "Push the engine switch while
turning the steering wheel in either direc-
tion" will be displayed on the multi-infor-
mation display.
Press the engine switch shortly and firmly
while turning the steering wheel left and
right.
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Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the
steering lock motor will resume functioning.
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When a message requesting the smart key system be inspected is dis-
played on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer immediately.
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If the electronic key battery is depleted
P. 443
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Operation of the engine switch
If the switch is not pressed shortly and firmly, the engine switch mode may
not change or the engine may not start.
4-2. Driving procedures
215
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