15598B - SERVICE UPDATE (REVISED TO PROVIDE ADDITIONAL PARTS INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT, AND IF NECESSARY, REPLACE THE AIR CONDITIONING COMPRESSOR ON CERTAIN 2015 MODEL YEAR BUICK VERANO VEHICLES. THESE VEHICLES MAY HAVE LOW REFRIGERANT, WHICH COULD CAUSE THE VEHICLEÂ’S AIR CONDITIONING TO BE UNAVAILABLE.
