i locked my truck into 4 lo and now it wont switch back into 2wd on 1997 Chevrolet 1500 Pickup

when i push the 2wd button the 4hi and 4lo buttons just flash but it wont go back into 2wd i have to work in the morning and i cant drive the thing in 4 lo what can i do to get it back into 2wd

1 answer
you may have a bad switch or actuator. scan codes to determine issue or test switches