1) The front airbag must be deactivated. Observe the instructions in the vehicle owner's manual. ≤ 13 kg The BABY-SAFE i-SIZE BASE / FLEX BASE is only intended for use in combination with the Britax Römer BABY-SAFE i-SIZE / BABY-SAFE² i-SIZE child seat, and exclusively to secure your baby in your vehicle. BRITAX RÖMER child safety seat BRITAX RÖMER KIDFIX SL BLACK SERIES, car seats 4 to 12 years, ISOFIX car seat, child from 15 to 36kg (Group 2/3), Storm Grey 4.7 out of 5 stars 1,375 £115.35 £ 115 . 35 Stop car seat confusion with our guide to how much you should spend, whether to go for a group seat or i-size and find out why car seat jargon, such as Isofix, should matter to you. All child car seat advice. With a rotating seat and integrated lights to help you see at night, the Britax Römer Dualfix iSense car seat claims to be a cinch for Car Seats Baby Birth – 15 months. Toddler 3 months – 7 years. Child 3.5 – 12 years. BABY-SAFE 5Z2. Britax Römer Europe; service.uk@britax.com +44 (0) 1264 approval. The seat may be used only in those vehicles cited in the enclosed vehicle type list. This type list is constantly updated. The latest version can be obtained from us or from www.britax-roemer.com. You can use your child car seat as follows: USE IN THE VEHICLE Shoulder pads Harness buckle Headrest Cover ISOFIX insert guides The Britax KidFix SL is a Group 2/3 high-backed booster seat which is part of the Britax Kid family. It can be used from when your child is around four years old. This smart-looking car seat features side impact protection and is lightweight, and Britax says it is simple to install. Read our full review to discover the level of protection it provides and whether it really is simple to install. 1 of 13. Britax is a leader of in-car safety and wins many awards for its car seat products. The Dualfix is a 0+/1 cutting edge car seat in design and has huge appeal on the safety-front. It allows your child to sit rear-facing longer, until they’re four years old. Research shows rear-facing is a safer position than forward. Downloads. User instructions. Vehicle list. User Instructions (English) Britax Römer ADVANSAFIX IV R is a Group 1/2/3 car seat from 9 - 36 kg (9 months - 12 years). 4CRYNS9.