summon a minecart
get on the minecart and look behind you
press F5 3 times
After returning to the 1st person POV you will be oriented to look towards the front of the minecart
You should be looking to the back of the minecart, as you oriented yourself towards it.
Linked issues
Comments

Thank you for your report!
We're actually already tracking this issue at MCPE-54715, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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