Quick answer
Attach the Isofix base to your car's anchor points, then click the Doona+ car seat onto the base until you hear a click. Always check the base indicator for green before driving.
Why the Isofix base matters
The Doona+ Isofix base uses your car's built-in anchor points instead of the seatbelt, giving you a more consistent and secure connection. It eliminates the guesswork of threading a belt and reduces the risk of incorrect installation.
Common installation pitfalls
Even with Isofix, the base can shift if the car seat is not pushed fully against the vehicle seat. Another frequent mistake is leaving the base loose after attaching the top tether (if required by your vehicle). Always give the base a firm tug after securing it.
Step-by-step assembly and use
- Locate the ISOFIX anchor points: Find the metal anchor points between the backrest and seat cushion of your vehicle. They are usually marked with a small ISOFIX symbol. If your car lacks visible anchors, check the owner's manual – some vehicles hide them behind zippered seat gaps.
- Attach the Isofix base: Push the base's two connectors onto the anchor points until you hear a click. Press the base firmly against the vehicle seat, then extend the support leg (if equipped) until it touches the floor. A common mistake is not pushing the base all the way back – the base must contact the vehicle seatback completely.
- Check the base indicator: Look at the base's color indicator window. It should show green, confirming the base is locked. If it shows red, repeat the previous step until green appears. Never drive with a red indicator – the base is not secure.
- Mount the Doona+ car seat: Align the car seat's connectors with the base and press down until you hear a distinct click. Pull up gently on the seat to verify it is locked. If the seat rocks or lifts, it is not fully engaged. Lift the seat and try again, ensuring the connectors are aligned.
- Adjust the recline and harness: Set the seat recline angle according to your child's age and weight (refer to the manual). Adjust the harness straps so they are snug and the chest clip is at armpit level. The harness must be flat and not twisted – twisted straps reduce crash protection.
- Perform a final safety check: Give the base a firm tug at the anchor points and the seat a strong pull at the handle. The base should not move more than 1 inch (2.5 cm) side to side. Confirm the base indicator is still green. Repeat this check every time you install the base, even if you think it hasn't moved.
Product facts
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Doona+ Car Seat - Isofix Base: The Isofix base from Simple Parenting is installed using ISOFIX anchor points, so you don't need to secure it with a seatbelt. This means you get a faster, more reliable fit in any compatible vehicle, and you can check the base's indicator for correct installation at a glance.
Doona+ Car Seat - Isofix Base