The Diono Rainier car seat does have the ability to convert to booster mode. This is a great feature as it allows the seat to grow with your child and be used for a longer period of time.
To convert the Rainier to booster mode, you will need to adjust the seat and remove the harness straps. This process can be a bit more labor intensive compared to other car seats, but it is still relatively straightforward.
First, you will need to loosen the harness straps by pressing the release button and pulling the straps out. Once the straps are loosened, you can unthread them from the seat and remove them completely.
Next, you will need to adjust the headrest and shoulder belt guide to the appropriate height for your child. This is an important step to ensure that the seat belt is positioned correctly on the child’s shoulder.
After adjusting the headrest and shoulder belt guide, you can then use the seat belt to secure the Rainier in booster mode. Simply thread the seat belt through the belt guides on the side of the seat and buckle it in.
It’s worth noting that the Rainier allows you to install it with LATCH while being used as a booster, as long as the lower anchor connectors do not interfere with the seat belt. This can provide an extra level of stability and security when using the booster mode.
Converting the Diono Rainier to booster mode may require a bit more effort compared to other car seats, but it provides the flexibility to use the seat for an extended period of time. Just be sure to carefully follow the manufacturer’s instructions and guidelines to ensure a proper and safe installation.