VOLVO XC90 2018 MODELS WILL NOT ALWAYS DISPLAY REAR VIEW CAMERA CONTENT WITHIN 2 SECONDS OF SHIFTING INTO REVERSE AS PER FMVSS 111. THIS IS DUE TO REALLY SLOW AND LAGGING INFOTAINMENT SYSTEM. BEHAVIOR IS EVIDENT ON MULTIPLE MODELS AND VEHICLES WHICH SHARE SAME SENSUS INFOTAINMENT SYSTEM.