The man will soon be taken to Gladstone Hospital where he will have blood samples taken.
Neville Joseph Johnson pleaded guilty to public nuisance and stealing at Gladstone Magistrates Court.
Andrew Robert Maloney told officers he could not remember how the car came to be upside down.
Police warn people engaged in the dangerous activity face stiff penalties under the Weapons Act.
Flynn MP Ken O'Dowd could face challengers from within the party this time around.
They're ready to go with work starting Monday.