- Insider Info on Steps using SMS text messaging in the retail automotive environment to enhance offline ads and capture customers so as to eliminate failing campaigns and emphasize winning campaigns ultimately maximizing a car dealership's ROI. br br For General Managers br br From David Wolfensperger Car Sales Specialist 1 (513) 294-8767 br br David Wolfensperger is an expert in the area of Automotive Marketing - Both Front End Sales and Back End Service.