I can't seem to get my head around this. Can someone please help me ? My cars spec says "isofix preparation" is included. What does that mean? Can I buy a britax car seat and plug it in?

Which of thse car seats will work? (My dd is 5yrs old)

http://www.mothercare.com/Graco-Logico-L-Highback-Booster-Car-Seat---Chilli/481012,default,pd.html

Or

http://www.argos.co.uk/static/Product/partNumber/3765919.htm?CMPID=GS001&_$ja=cgid:12415149990%7Ctsid:41361%7Ccid:166591830%7Clid:47689077750%7Cnw:g%7Ccrid:37998854190%7Crnd:6543563451897214943%7Cdvc:t%7Cadp:1o2

Doesn't look like either of those seats mention isofix although I'm sure both would work.

The Britax Adventure fits the Fabia estate well, actually it will fit three across the back at a push if you ever need that. It just sits on the seat and the seatbelt runs through the guide near the top, dead easy 10-second fitment

Edited 7 February, 201412 yr by pearce_jj

"isofix preparation" means that you car does have the isofix attachment points or anchors in the gap where the back of the rear seat meets the seat cushion. Some car seats come With isofix clips that click onto thsese anchors, some don't. If the car set specs don't mention isofix, they're probably without these clips and you will have to fasten the seat with the rear seatbelt.