Quote:
Originally Posted by wimorrison
I find I need to correct myself 
The XC90 has had Canbus since May 04 so i guess it ALSO needs a software update also to ensure that the systems work correctly when a trailer is fitted. |
XC90 only needs SW update to disable the car fog lights , if needed and fog lights are present on lighting board. It is optional (as stated in the XC90 wiring instructions I referenced).
Interestingly the XC60 instructions make no reference to any optional or mandatory SW download...