Toyota PRIUS Owner's Manual page 485

●
When storing a bottle, close the cap.
● The bottle may not be stored depending on its size or shape.
WARNING
Do not place anything other than cups or aluminum cans in the cup holders.
Other items may be thrown out of the holders in the event of an accident or
sudden braking, causing injury. If possible, cover hot drinks to prevent
burns.
NOTICE
Put the cap on before stowing a bottle. Do not place open bottles or glass
and paper cups containing liquid in the bottle holders.
The contents may spill and glasses may break.
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5-3. Using the storage features
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