Toyota Prius Owner's Manual page 373

CAUTION

Items that should not be left in the storage spaces
Do not leave glasses, lighters or spray cans in the storage spaces, as this
may cause the following when cabin temperature becomes high:

Glasses may be deformed by heat or cracked if they come into contact
with other stored items.

Lighters or spray cans may explode. If they come into contact with other
stored items, the lighter may catch fire or the spray can may release gas,
causing a fire hazard.
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3-4. Using the storage features
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