Toyota Yaris: Warning/Indicator Lights and Warning Sounds / Message Indicated on Display
If a message is displayed in the center display, take appropriate
action (in a calm manner) according to the displayed message.
Display example

Take the appropriate action and verify that the warning light turns off.
KEY Warning Light
Take the appropriate action and verify that the warning light turns
off...
If the following messages are displayed in the center display, a vehicle
system may be malfunctioning. Stop the vehicle in a safe place and
contact your Toyota dealer...
Other information:
DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the No. 1 indoor electrical key antenna assembly (front floor). For the No. 1 indoor electrical key antenna assembly (front floor) to detect when the electrical key transmitter sub-assembly is in the cabin, the signal from the certification ECU (smart key ECU assembly) requesting a response from the electrical key transmitter sub-assembly is transmitted inside the vehicle...
ADJUSTMENT PROCEDURE 1. PREPARE VEHICLE FOR HEADLIGHT AIM ADJUSTMENT (a) Prepare the vehicle:
Ensure that the vehicle body is not damaged or deformed around the headlights.
Fill the fuel tank.
Make sure that the oil is filled to the specified level...
Categories
Before refueling, close all the doors, windows, and the liftgate/trunk
lid, and switch the ignition OFF.
To open the fuel-filler lid, pull
the remote fuel-filler lid release.

To remove the fuel-filler cap, turn it counterclockwise.
Attach the removed cap to the
inner side of the fuel-filler lid.
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