If you ever get the urge to add the wiring for SDVC, it is very simple.James McGrath wrote:(although SDVC doesn't work in the Diplomat due to lack of relevant wiring).
It does get a bit annoying and seems way over sensitive so I keep it on minimum too.
Just one wire - blue / red to pin 5 of the radio ISO connector.
This can be connected to the wire of the same colour in any of the following: -
1 - Fuel Computer
2 - Dual Info Display
3 - Speedometer / instrument cluster.
Although, if it is a bit of an annoyance, you will probably not wish to bother.
SDVC always worked perfectly on the CD300 that I had fitted up until about six or seven years ago
You could check if it is set to the correct number of pulses for the radio that is far too sensitive.
(If it will let you)