my 89 buick riviera has a touch screen for the radio heat and other functions the problem is the screen keeps going out and i cant change any settings because the screen is lit up i could still turn the radio up and down and the buttons still work but i cant see them how do i fix it so it stays on when the car is on
Optional Information:
1986 Buick riviera 3.8 v-6
Already Tried:
nothing