The buttons don't seem to function
GMC Q&AAsk Your Question
2000 GMC Envoy Question: What operates the on board air compressor? I can't get mine on
Answer #1pushrod October 02, 2013, 05:36Master
Have a mechanic check for a blown fuse, It seems nobody knows how to test the fuses anymore, so just have it done!
Greg's Orange Auto (14968 Answers) , Orange, CA - (714) 361-9386globalhelper October 02, 2013, 09:36Master
agree with #1