I think you have 2 separate problems. 1 the carbon is wore of the back of your unlock key FOB pad button. https://www.yourcobalt.com/forums/ele...r-key-fob.html and 2 you have a bad unlock switch drivers door. Try unlocking passenger door with passenger side door unlock switch to see if it works.
Every minute spent angry is a happy minute lost for ever and ever!!!
Drives 2016 Cocoa Buick Encore 1.4L Turbo auto KL4CJDSB2GB652675
Drives 2016 Sunset Orange Trax LT1 1.4L Turbo auto 3GNCJPSB8GL142716
Never drive faster than your guardian angel can fly