Subaru BRZ 2017 Owner's Manual page 106

1-7. Safety information
CAUTION
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When the SRS airbag deploys
When the SRS airbag deploys, some smoke will be released. This smoke
could cause breathing problems for people with a history of asthma or other
breathing trouble. If you or your passengers have breathing problems after
SRS airbag deploys, get fresh air promptly.
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