Toyota Yaris: Before Driving / Keys

Before Driving

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Keys

Smart key Auxiliary key Key code number plate To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key. A code number is stamped on the plate attached to the key set; detach this plate and store it in a safe place (not in the vehicle) for use if you need to make a replacement key (auxiliary key)...

Other information:

Toyota Yaris XP210 (2020-2026) Owner's Manual: Immobilizer System

The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent vehicle theft. If you have a problem with the immobilizer system or the key, consult your Toyota dealer...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: General Information

GENERAL INFORMATION A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoot. However, most problem checking procedures only involve inspecting the ECU controlled system circuits one by one...