Toyota Yaris Owner's Manual page 247

 Vehicles without a Navigation/Multimedia system
CD player and AM/FM radio
The illustration below is for left-hand drive vehicles. Some button posi-
tions are reversed for right-hand drive vehicles.

Using cellular phones
Interference may be heard through the audio system's speakers if a cellular
phone is being used inside or close to the vehicle while the audio system is
operating.
NOTICE

To prevent battery discharge
Do not leave the audio system on longer than necessary when the engine is
stopped.

To avoid damaging the audio system
Take care not to spill drinks or other fluids over the audio system.
5-1. Basic Operations
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