REPEATED ISSUE. SMELL OF SMOKE/BURNING TRIGGERS DASH WARNING SIGNALS. SAME DASH WARNING SIGNALS COME ON WITHOUT SMELL OF SMOKE/BURNING. CYCLE REPEATS ITSELF WITHOUT PATTERN, AND INCLUDES DURING 4 WHEEL USE. VEHICLE TAKEN TO MULTIPLE CHEVROLET DEALERSHIPS FOR SERVICE (UTAH, NORTH CAROLINA AND WASHINGTON) WITH THE DASH WARNING LIGHTS ON. UTAH AND NC CLAIM UNABLE TO REPLICATE EVENT OR IDENTIFY PROBLEM, SO LISTED AS UNKNOWN WITHOUT CORRECTION. GMC EXECUTIVE OFFICE INTERDICTION RESULTED IN REPLACEMENT OF STEREO EVEN THOUGH DASH LIGHT INDICATE POWERTRAIN & ELECTRICAL. STEREO BROKE 2 MOS LATER. GMEO AND WA IDENTIFIED FUSE ISSUE RELATED TO 4 WHEEL DRIVE, BUT UNABLE TO REPLICATE SMOKE/BURNING BEFORE CLAIMING ISSUE RESOLVED. DASH WARNING LIGHTS CONSTANTLY COME ON AND OFF INDICATING PROBLEM WITH POWERTRAIN/ELECTRICAL. GMEO CLOSED CASE AS RESOLVED. *TR