inputs.text: speed pulse not detected - let start saying really impressed systehem good sound lots function controls navigation good easy install using pac harness adapterthe problehem systehem error message displays navigation screen \\speed pulse not detected navigation unit function gps blah blah blah\\ message takes 34 screen rehemains screen press \\ok\\ touch screen tolerated days getting wayi called jvc confirmed proper installation proper updates jvc rep advised message necessary \\as safety measure\\ no plans rehemove disable message future firmware updateseverything functions normal without speed pulse cannot see reason driver must constantly distracted error message forced take eyes road rehemove hand steering wheel physically touch screen safetys sakeit bad jvc spent time made top notch unit due poor liability concern ambulance chaser unit rendered unusablegood luck unit choose buy