Sirona G iSize - Car seat CYBEX - Free user manual and instructions
Find the device manual for free Sirona G iSize CYBEX in PDF.
| Feature | Details |
|---|---|
| Seat type | Swivel car seat |
| Safety standard | i-Size (R129) |
| Maximum child weight | From 45 cm to 105 cm (about 4 years old) |
| Installation | Isofix with anti-rotation support |
| Swivel | 360 degrees to facilitate installation |
| Usage position | Rear-facing up to 105 cm, then forward-facing |
| Safety system | Side protection system (L.S.P) |
| Recline adjustment | Adjustable recline in multiple positions |
| Cover | Removable and machine washable |
| Dimensions | Approximately 44 x 67 x 58 cm |
| Seat weight | Approximately 14 kg |
| Warranty | 2 years |
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USER MANUAL Sirona G iSize CYBEX
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cybex GOLD
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Line drawing of a baby car seat with adjustable arms and legs (no text or symbols)SIRONA G i-Size
UN R129/03, 61 - 105 cm, max. 19 kg (approx. 3 Months - approx. 4 Y)
User guide

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Diagram of car seat assembly with numbered parts and close-up insets showing key components like seatbelt, seatbelt switch, and foot.
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2 8 i ISOFIX i
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3 3 CLICK!
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4 CLICK! ISOFIX I X I ✓
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5 ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↑ × ✓
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6 CLICK!
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7
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Illustration of a hand pressing down on a gray object with three upward arrows indicating motion (no text or symbols)
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9 PULLPULL
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10 13 12
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11 12 13 <15 M <76 cm
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14 CLICK!
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QR code image containing encoded data, no visible human-readable textSCAN OR CLICK TO WATCH THE INSTRUCTIONAL VIDEO
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DE ZULASSUNG
Sirona G i-Size
Größe: 61 – 105 cm
Gewicht: bis 19 kg
Thank you for deciding on the Sirona G i-Size when choosing your car seat.
Carefully read this user guide before installing the car seat in your vehicle and always keep it to hand for future reference.

IMPORTANT INFORMATION AND WARNINGS

The installation of this car seat on the front passenger seat with the front airbag activated is NOT PERMITTED.
Without the approval of the Type Approval Authority, the car seat may not be modified or added to in any way.
In order to keep your child properly protected, it is absolutely essential that you use the car seat as described in this user guide.
Do not use forward facing before the child's age exceeds 15 months and before the child has reached a size of 76 cm.
This car seat may only be installed on vehicle seats which are approved for the use of child restraint systems according to the vehicle manual.
- Do not use any load-bearing contact points other than those described in the user guide and marked on the child restraint.
The newborn inlay is used to protect your child and must be used up until it has reached a height of 60 cm.
The lap belts on the harness must run as low as possible across your child's groin to have optimum effect in the event of an accident.
Before each journey make sure that the five-point harness is correctly adjusted and fits tightly to the child's body. The belts must never be twisted!
Only an optimally adjusted headrest can offer your child maximum protection and comfort while ensuring that the shoulder belts can be fitted appropriately.
This car seat may only be used in conjunction with a Base G installed using ISOFIX.
The car seat must always be correctly installed and secured in the vehicle even when not in use.
The load leg must always make direct contact with the floor of the vehicle. If your vehicle has storage compartments in the footwell, be sure to contact the vehicle manufacturer to ensure the floor of the vehicle can support the load leg.
While driving, the car seat must always be locked in the rearward or forward-facing position.
Always ensure that the car seat is not jammed against any surface when closing the vehicle door or adjusting the back seat.
Luggage or any other objects present in the vehicle must always be firmly secured. Otherwise, they may be thrown within the vehicle, which could cause fatal injuries.
The car seat must never be used without the seat cover. Ensure that only an original CYBEX seat cover is used, as the cover is a key element allowing the seat to function correctly.
Never leave your child unattended in the vehicle.
Parts of this child restraint system can heat up when exposed to direct sunlight and could potentially burn your child's skin. Protect your child and the car seat from direct sun exposure.
An accident may cause damage to the car seat that is not identifiable with the naked eye. Please replace the car seat after an accident. In case of doubt, please consult your dealer or the manufacturer.
Do not use this car seat for more than 8 years. The car seat is exposed to high stress during its product lifespan, which leads to changes in the quality of its materials with increasing age.
The plastic parts can be cleaned with a mild cleaning agent and warm water. Never use harsh cleaning agents or bleaches!
On some vehicle seats made of sensitive materials, the use of car seats may leave marks and/or cause discolouration. To prevent this, you can place a blanket, towel or similar underneath the car seat to protect the vehicle seat.
PRODUCT PARTS
| Newborn inlay (1) | Seat release handle (13) |
| Size indicator (2) | Headrest (14) |
| Driving direction control (D.D.C) (3) | Headrest adjustment handle (15) |
| Load leg (4) | Seat rotation handle (16) |
| ISOFIX-Release buttons (5) | Driving direction indicator (17) |
| ISOFIX-Locking arms (6) | Position adjustment handle (18) |
| Base (7) | Belt adjustment button (19) |
| ISOFIX-Anchorage points (8) | Shoulder belt (20) |
| ISOFIX-Indicator (9) | Belt buckle (21) |
| Load leg adjustment button (10) | Buckle tongue (22) |
| Load leg indicator (11) | Lap belts (23) |
| Seat locking indicator (12) | Central adjustment belt (24) |
THE CORRECT POSITION IN THE VEHICLE
This is an i-Size Enhanced Child Restraint System. It is approved according to UN Regulation No. R129/03 on Base G, for use in i-Size compatible vehicle seating positions as indicated by vehicle manufacturers in their vehicle user manuals. If your vehicle does not have an i-Size seating position, please check the vehicle Type List. You can obtain the most up-to-date version of the Type List from go.cybex-online.com/sirona-g-isize-car-compatibility. It is not guaranteed that all sitting and reclining positions can be used in all approved vehicles.
DIFFERENT USES OF THE SEAT
| 40 – 105 cm,max. 19 kg | 76 – 105 cm, > 15 Mmax. 19 kg | |
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40 – 60 cm > 60 cm![]() | ![]() | ![]() |
If you purchased a newborn inlay (1), it should be removed when your child is taller than 60 cm.
The Size indicator (2) shows the size your child must reach before it is at the earliest permitted to convert the seat for forward-facing use.
INSTALLATION IN THE VEHICLE
Always ensure that...
• the backrests in the vehicle are locked in their upright position.
- when installing the car seat on the front passenger seat, adjust the vehicle seat as far back as possible.
The car seat is exclusively made for forward facing car seats, which are equipped with ISOFIX.
Installation of the car seat with Base G
- Keep the Driving Direction Control (D.D.C.) button (3) in the middle position and ensure that the base is adjusted for rearward facing car seats.
- Fold out the Load leg (4) until it locks into its foremost position.
- Release the ISOFIX-Release buttons (5) to extend the ISOFIX-Locking arms (6).
The ISOFIX-Release buttons can both be released independently allowing the ISOFIX-Locking arms to be adjusted independently.
- Push the ISOFIX-Locking arms (6) out of the base to their furthest extent.
- Place the base (7) on an appropriate seat in the vehicle.
- Push the ISOFIX-Locking arms (6) into the ISOFIX-Anchorage points (8) until these lock into place with an audible "CLICK". The two ISOFIX-Indicators (9) will switch from RED to GREEN.
- Ensure the base is secure by trying to pull it out of the ISOFIX-Anchorage points (8).
- Push the Base (7) towards the backrest of the vehicle seat until it is fully aligned with the backrest.
Moving the base from side to side will also brace it against the vehicle backrest.
- Press the Load leg adjustment button (10) and extend the leg until it touches the vehicle floor.
- Pull the Load leg (4) out to the next locking position to ensure optimal force transmission.
- The Load leg indicator (11) switches to GREEN when the load leg is correctly positioned on the vehicle floor and the acoustic warning signal stops.
- Place the car seat on the Base (7).
- Please ensure that the car seat locks into place with an audible "CLICK".
- Check whether the Seat locking indicator (12) on the base is GREEN.
REMOVAL FROM THE VEHICLE
- To unlock the car seat from the base (7) pull the seat release handle (13) up.
- Tilt the seat slightly and lift it off the base (7).
- Unlock the ISOFIX-Locking arms (6) on both sides by pressing the ISOFIX-Release buttons (5) and at the same time pulling them back.
- Pull out the Base (7) from the ISOFIX-Anchorage points (8).
- Remove the Base (7) and slide the ISOFIX-Locking arms (6) completely back into their transport positions.
- Push the Load leg (4) back into its original position and then fold it in to save space.
ADJUSTING THE HEADREST
The adjustable Headrest (14) can be adjusted by using the Headrest adjustment handle (15) at the back of the Headrest (14). When adjusting the headrest ensure that the Shoulder harness outlets are at shoulder level or slightly below.
ROTATION FUNCTION
Pull the seat rotation handle (16) on the base to turn the car seat.
Before starting your journey, make sure that the seat is properly locked into place and the driving direction indicator (17) shows GREEN.
As soon as your child is older than 15 months and taller than 76 cm, it can also be transported forward facing. For this purpose, set the direction control button to the top position.
The car seat can be used rear-facing for its entire child size range.
To adjust the seat to the recline position, press the Position adjustment handle (18) on the front of the car seat.
We recommend using the flattest recline position for children who are not yet able to sit recline independently.
Always make sure that the car seat audibly clicks into place when adjusting it to either the recline or sitting position.
SECURING THE CHILD
- Rotate the car seat to the boarding position.
- Press the Belt adjustment button (19) and pull both Shoulder belts (20) at the same time to loosen them.
- Undo the Belt buckle (21) by pressing the red button firmly.
- The Buckle tongues (22) can now be attached to the indicated places on the cover using the integrated loops.
- Put your child in the car seat with their buttocks at the back.
- Place the Shoulder belts (20) directly over your child's shoulders.
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Place both Buckle tongues (22) together and lock them in place in the Belt buckle (21). You should hear an audible "CLICK".
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If you are using a seat with a SensorSafe Clip, push the clip closed until you hear an audible "CLICK" and slide the closed clip down towards the Belt buckle (21).
- Tighten the Lap belts (23) and then pull on the Central adjustment belt (24) to tighten the Shoulder belts (20) until they rest snug against your child's body.
The harness should be fitted tight enough so that it is not possible to put a fold in any of the straps.
- When using the SensorSafe clip, position the clip directly below the shoulder pads.
- Rotate the seat to the preferred travel position. Forward facing direction is only permitted for children exceeding an age of 15 months and a size of 76 cm.
REMOVING AND REATTACHING THE SEAT COVER
The car seat cover consists of 4 parts. These are fastened to the car seat at several places. Once unfastened, the individual parts of the cover can be removed. To reattach the cover, follow the removal instructions in the reverse order.
If purchased with the Newborn inlay (1), the foam must be removed before you wash. There are openings in the fabric for this purpose.
The cover may only be washed at 30^ C with a delicate wash program otherwise it may result in discolouration of the cover fabric. Please wash the cover separately from other laundry and do not dry it in the dryer or in direct sunlight!
MANUFACTURER'S WARRANTY AND DISPOSAL REGULATION
CYBEX GmbH (Riedingerstr. 18, 95448 Bayreuth, Germany) gives you 3 years warranty on this product. The warranty is valid in the country where this product was initially sold by a retailer to a customer. The contents of the warranty and all essential information required for the assertion of the warranty can be found on our homepage: go.cybex-online.com/manufacturer-warranty-car-seats. If a warranty is shown in the article description, your legal rights against us for defects remain unaffected.
Please observe the waste disposal regulations in your country.
CERTIFICAZIONE
Sirona G i-Size
Characteristics of the United States
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