^^ Injuries still occur, some due to airbags itself. However yukkuris have teeth and it can be very messy with accidental inflation, assuming the yukkuris are inflated to provide maximum cushion.
I don't know why "air bag" is written on the child seat as the text says it's a Yuuka-use safety seat(the Yuuka being polite and asking Oniisan where they're going today.) The Reimu is being a usual Yukkuri, demanding she be let off and given sweets and asking if Anon is an idiot.
Mister, where are [you] taking [me] today?SAFETY SEAT FOR YUUKASYuyu, let cute Reimu go! Can't [you] hear? Are [you] stupid? Hurry up and bring sweet-sweets, okay!!FRONT CARRIER FOR DEIBUS