1. A method of displaying vehicle information on a display device, the method comprising: measuring, via a processor, a value of a vehicle health characteristic; comparing, via the processor, the value of the vehicle health characteristic with a first set of related predetermined values of the vehicle health characteristic, the first set of related predetermined values including a first upper limit value and a first lower limit value of the vehicle health characteristic; displaying, on a display, an alphanumeric depiction of the value of the vehicle health characteristic, an alphanumeric depiction of the first upper limit value, an alphanumeric depiction of the first lower limit value, and a graphical depiction of the value of the vehicle health characteristic in comparison with the first set of related predetermined values; receiving, via the processor, an indication to modify at least one of the first upper limit value and the first lower limit value, resulting in a second set of related selected values of the vehicle health characteristic, the second set of related selected values including a second upper limit value and a second lower limit value of the vehicle health characteristic; comparing, via the processor, the value of the vehicle health characteristic with the second set of related selected values of the vehicle health characteristic; and displaying, on the display, the alphanumeric depiction of the value of the vehicle health characteristic, an alphanumeric depiction of the second upper limit value, an alphanumeric depiction of the second lower limit value, and a graphical depiction of the value of the vehicle health characteristic in comparison with the second set of related selected values.