SAN RAMON, Calif., April 12— Performance Loyalty Group, Inc. has partnered with MediaTrac, LLC, a technology-based marketing company that provides customized frequency marketing, owner loyalty and retention programs, to release UltraCare. Web-based technology that allows auto dealerships to create, manage and market their own branded in-house pre-paid maintenance program. With the current year over year decrease in new vehicle sales, service volumes are predicted to fall by approximately 20 percent over the next....