No, typically there is no other reference to it in the entire guide! I don't recall seeing it on mine. I don't think I have a 'park setting' on the ignition key, and certainly don't have a switch. It may be a +8 anomaly - I found this on eBay +8 Park Switch


"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10