Toyota Yaris: Smart Key / Key Suspend Function

Toyota Yaris XP210 (2020-2024) Owner's Manual / Before Driving / Keys / Smart Key / Key Suspend Function

If a key is left in the vehicle, the functions of the key left in the vehicle are temporarily suspended to prevent theft of the vehicle.

To restore the functions, press the unlock button on the functions-suspended key in the vehicle.

Operational Range

The system operates only when the driver is in the vehicle or within operational range while the key is being carried. Starting the Engine With the advanced keyless function Without the advanced keyless function Starting the engine may be possible even if the key is outside of the vehicle and extremely close to a door and window, however, always start the engine from the driver’s seat...

Advanced Keyless Entry System (If equipped)

The advanced keyless function allows you to lock/unlock the door and the liftgate or open the liftgate/trunk lid while carrying the key. System malfunctions or warnings are indicated by the following warning lights or beeps...

Other information:

Toyota Yaris XP210 (2020-2024) Owner's Manual: Owner Maintenance Precautions

The owner or a qualified service technician should make these vehicle inspections at the indicated intervals to ensure safe and dependable operation. Bring any problem to the attention of your Toyota dealer or qualified service technician as soon as possible...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Backup Boost Converter Circuit

DESCRIPTION A backup boost converter is built into the engine stop and start ECU. The backup boost converter helps maintain the power source voltage when the engine is restarted by stop and start control. This prevents various functions such as the audio and visual system from malfunctioning if the power source voltage drops due to the auxiliary battery voltage dropping when the engine is restarted by stop and start control...