# vectors in Minkowski space and parity

It is known that vectors change them sing under the influence of parity when $(x,z,y)$ change into $(-x,-z,-y)$:

$P: y_{i} \rightarrow -y_{i}$

where $i=1,2,3$

But what about vectors in Minkowski space? Is it true that

$P: y_{\mu} \rightarrow -y_{\mu}$

where $\mu=0,1,2,3$. If yes how one can check it?

Note that a vector (contravariant components) is indicated with up indices, that is $y^{\mu}$.
$P: y^{\mu} (+, +, +, +) \rightarrow (+, -, -, -) \neq -y^{\mu}$