The kit looks very easy to do from a mechanical point of view.It just involves replacing the wash tank and running a few pipes up front through the bumper as yes you have to cut 4 holes in the bumper,but the instructions explain that the locations are clearly marked and not a big deal.
The only questionable issue is the electrical one, the included instuctions explain about the recode that will need to be done to activate this feature, but I wish there was someone who has actually done this project sucessfully,I am a bit chicken to be the trailblazer on this, but to be truthfull it is a true OEM retro fit kit so there really should be no issues.

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2005 Toledo Blue 3.0 Beige Lthr-sport-prem-clim-autodim mirrors;;
Mods so far; rear fog lights retro-fit,ractive oval tips,titanium grille set,OEM trailer hitch,mud flaps, aux audio input,non-smoker ash tray,sub-installation and a set of the 4.8is 20" replicas with cooper Zeon 4xS.Euro clear headlights & rear parking sensors.LPG Dual fuel convertion.Chrome bezel rings,Fitted uk cycle lighting board electric hook up,Sport wheel centre re-trimmed in Alcantara,
Still luvin the ride :