Garašević received the second position on the Progressive Party's electoral list for Kovačica in the 2016 Serbian local elections and was elected when the list won a majority victory with twenty-one out of thirty-nine seats.[2][3] He was selected as mayor after the election and served in this role for the next four years.[4][5]
He led the Progressive list in the 2020 local elections and was re-elected when the list won twenty-one of twenty-nine seats in a reduced assembly.[6][7] He could not continue as mayor after his election to the provincial assembly but was instead chosen as president (i.e., speaker) of the municipal assembly.[8]
Garašević was given the twenty-first position on the Progressive Party's list for the Vojvodina assembly in the 2020 provincial election and was elected when the list won a majority victory with seventy-six out of 120 seats.[9] He was chosen as chair of the assembly committee on agriculture in October 2020[10] and is also a member of the economy committee.[11]