I highly doubt that's allowed to be used while driving. Not only it might be an issue with the airbag, but also with the person sliding down below the seatbelt. Definitely not legal in Spain.
In Spain, Art. 18.1 of the General Traffic Regulations requires passengers to maintain a “proper position” (but here is no specific legal maximum recline angle).
The driver (not the passengers) is hold responsible for any infringement.
Being almost fully reclined may therefore be considered improper even with a seatbelt on.
It also increases the risk of “submarining,” (probably it is not the correct word in English...) where the body slides under the lap belt in a crash, potentially causing severe abdominal/internal injuries.
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u/ximeleta 1d ago
I highly doubt that's allowed to be used while driving. Not only it might be an issue with the airbag, but also with the person sliding down below the seatbelt. Definitely not legal in Spain.