odometer trip feature

[redyates]

Hello,
I had a shop install an aftermarket stereo in my 06 altima and now the odometer trip feature doesnt work. the control for this is on the steering wheel next to the volume control. of course the volume control doesnt work either but im not worried about that. i took it back to the shop and they thought they had it fixed untill i drove it and found the inside turn indicator didnt work, and when the turn signal was on the trip feature would cycle through all the options. So i took it back and had em put it back like it was. I would appritiate any help. Thanx