CYBEX Solution S iFix - Car seat

Solution S iFix - Car seat CYBEX - Free user manual and instructions

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Product type Child car seat (booster with backrest)
Brand CYBEX
Model Solution S iFix
Category Car seat group 2/3 (100-150 cm, approx. 3 to 12 years)
Safety standard R129/03 (i-Size)
Installation system ISOFIX + vehicle three-point seat belt
Side protection Linear side impact protection (L.S.P.) foldable
Headrest Height adjustable with tilt (3 positions)
Height adjustment Knob at the back of the headrest; max 2 cm gap between shoulders and headrest
Belt guide Lap and shoulder belt guides (marked in green)
ISOFIX safety indicators Green indicators showing correct locking
Storage compartment Under the seat for the user guide
Cover material Washable fabric (4 parts: headrest, backrest, booster)
Cover maintenance Wash at 30°C delicate program, do not tumble dry or expose to sun
Cleaning plastic parts With mild cleaning agent and warm water; no harsh products
Service life 9 years maximum (replace after an accident)
Manufacturer warranty 3 years (subject to conditions, see manual)
Use without ISOFIX Possible with locking arms retracted, belt only
Vehicle compatibility Seats with UN R16 approved three-point belt; vehicle list available online
Position in vehicle Rear seats, front possible if airbag deactivated

Frequently Asked Questions - Solution S iFix CYBEX

What is the recommended age group for the CYBEX Solution S iFix?
The seat is designed for children measuring 100 to 150 cm, i.e. approximately 3 to 12 years.
Does the CYBEX Solution S iFix require ISOFIX installation?
The seat can be installed with the ISOFIX system for enhanced safety, but also without ISOFIX using just the vehicle's three-point seat belt. The ISOFIX arms can be retracted if needed.
How to install the seat with ISOFIX?
Pull out the ISOFIX locking arms using the adjustment handle, rotate them 180° towards the vehicle's anchor points, push until they click. Check that the green safety indicators are visible. Then push the seat against the vehicle seatback and secure your child with the three-point belt.
How to adjust the headrest of the seat?
Use the adjustment knob (12) at the back of the headrest. Adjust the height so that there is no more than 2 cm between the child's shoulders and the headrest.
What to do if the child falls asleep and his/her head drops forward?
The headrest can be tilted to 3 positions. Push it forward to the desired position to keep the child's head in a sleeping position.
How to clean the cover of the CYBEX Solution S iFix?
The cover consists of four parts held by press studs. Remove them and wash at 30°C on a delicate cycle. Do not tumble dry or expose to sunlight. Only use original CYBEX covers.
Can the seat be used on the front passenger seat?
Yes, in exceptional cases, but always follow the vehicle manufacturer's recommendations and ensure the passenger airbag is deactivated if the seat is installed forward-facing.
What is the lifespan of the car seat?
The seat should not be used for more than 9 years from the date of manufacture. After an accident, even without visible damage, it must be replaced.
How to use the L.S.P. side protection?
Press button (10) to unfold the linear side impact protection on the door side. When in the center position, do not fold it. The seat can also be used without L.S.P. if space is insufficient.
Where to find the list of vehicles compatible with the ISOFIX system?
Visit www.cybex-online.com for the most up-to-date list of approved vehicle types. Compatibility may be limited for children over 135 cm.

User questions about Solution S iFix CYBEX

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What weights is the CYBEX Solution S iFix car seat intended for?
Frequently Asked Questions - 19/05/2026
Response Notice-Facile

The CYBEX Solution S iFix car seat is intended for children weighing between 15 and 36 kg, corresponding to groups 2 and 3.

These weight parameters generally correspond to children aged 3 to 12 years who are between 100 and 150 cm tall. However, the main criterion remains the child's height rather than their exact weight.

If your child exceeds 135 cm in height, please consult the vehicle compatibility list provided in the manual to check the seat's adaptability.

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Download the instructions for your Car seat in PDF format for free! Find your manual Solution S iFix - CYBEX and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. Solution S iFix by CYBEX.

USER MANUAL Solution S iFix CYBEX

CYBEX Solution S iFix - 1

CYBEX Solution S iFix - 2

Diagram of a car seat with labeled parts and close-ups showing interior components and footprints

CYBEX Solution S iFix - 4

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Medical diagram showing anatomical alignment of a hand and wrist with labeled parts and directional indicators

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Medical illustration showing a hand performing a laparoscopic procedure with labeled steps and directional arrows indicating motion.

CYBEX Solution S iFix - 8
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DE ZULASSUNG

UN R129/03

CYBEX Solution S i-Fix

100 – 150 cm

approx. 3 years to 12 years

CYBEX Solution S iFix - DE ZULASSUNG - 1

Thank you for deciding on the Solution S i-Fix when choosing your car seat.

Carefully read this User guide before installing the car seat in your vehicle and always keep the guide to hand in the designated User guide storage compartment (1).

IMPORTANT INFORMATION

Without the approval of the Type Approval Authority, the vehicle 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.

- 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.

Only suitable for vehicle seats with automatic three-point belts approved in accordance with UN regulation No.16 or a comparable standard.

Do not use any load bearing contact points other than those described in the instructions and marked on the child restraint.

The full surface of the backrest of the car seat must make contact with the backrest of the vehicle.

The shoulder belt must run upwards and back at a recline. It must never run forward to the upper belt point in your vehicle.

•The vehicle belt buckle must never cross the belt guide of the seat. If the belt whip is too long, the car seat is not suitable for use in this position in the vehicle. In case of doubt please contact the child restraint manufacturer.

•The three-point vehicle belt must only be passed through the designated routings. The belt routings are described in detail in this manual and are marked in green on the car seat.

- The lap belt must run as low as possible across your child's groin to have optimum effect in the event of an accident.

Before each use make sure that the automatic three-point vehicle belt is correctly adjusted and fits tightly to the child's body. Never twist the belt!

Only an optimally adjusted headrest can offer your child maximum protection and comfort while ensuring that the shoulder belt can be fitted smoothly.

The car seat must always be secured correctly with the vehicle belt in the vehicle even when not in use.

Always ensure that the car seat is never jammed when closing the vehicle door or adjusting the back seat.

For the car seat to provide the best possible protection, always use the Linear Side-impact Protection (L.S.P.) to the nearest door side.

If using the car seat on the middle seat of the vehicle's back bench, the Linear Side-impact Protection (L.S.P.) must never be folded out.

The car seat has also been tested and approved for use without the Linear Side-impact Protection (L.S.P.) folded out.

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 of the seat's function.

Never leave your child unattended in the vehicle.

- The parts in the child restraint system heat up in the sun 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 9 years. The car seat is exposed to high stress during its product life span, which leads to changes in the quality of the material 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 or towel or similar underneath the car seat to protect the vehicle seat.

PRODUCT PARTS

(1) User guide storage compartment

(8) ISOFIX Release button

(2) Backrest

(9) Linear Side-impact Protection (L.S.P.)

(3) Booster

(10) L.S.P. Operating button

(4) ISOFIX Locking arms

(11) Adjustable headrest

(5) ISOFIX Adjustment handle

(12) Headrest height adjuster

(6) ISOFIX Anchorage points

(13) Lap belt guide

(7) ISOFIX Safety indicator

(14) Shoulder belt guide

PREPARING FOR INSTALLATION

Connect the backrest (2) to the booster (3) by hooking the guide lug on the axis of the booster. The backrest (2) is then folded forward.

THE CORRECT POSITION IN THE VEHICLE

With retracted ISOFIX-locking arms (4) the car seat can be used on vehicle seats which are equipped with an automatic three point belt. For using ISOFIX please refer to the enclosed vehicle type list for approved vehicles. You can obtain the most up-to-date version from www.cybex-online.com.

In case your vehicle is not equipped with ISOFIX Anchorage points, there is always the possibility to use the Solution S i-Fix with retracted ISOFIX locking arms.

Above a child's stature of 135 cm, the compatibility between the SOLUTION S i-Fix and your vehicle might be reduced. Please review the vehicle type list to check whether the car seat can be used in all headrest positions without restrictions.

In exceptional cases, the car seat may also be used on the front passenger seat. Always comply with the recommendations of the vehicle manufacturer.

INSTALLING THE CAR SEAT IN THE VEHICLE

  1. Always ensure that...
  2. the backrests in the vehicle are locked in their upright position.
  3. when installing the car seat on the front passenger seat, it is adjusted as far back as possible without affecting the belt routing.
  4. Use the ISOFIX Adjustment handle (5) under the booster (3) and pull the two ISOFIX locking arms (4) to their furthest extent.
  5. Now twist the ISOFIX Locking arms (4) 180° so that they are facing the direction of the ISOFIX Anchorage points (6).

  6. Place the car seat on the appropriate seat in the vehicle.

  7. Push the two ISOFIX Locking arms (4) into the ISOFIX Anchorage points (6) until these lock into place with an audible "CLICK".
  8. Use the ISOFIX Adjustment handle (5) and push the car seat against the vehicle seat.
  9. Ensure that the entire surface of the backrest (2) of the car seat is placed against the backrest of the vehicle seat.

If the headrest of the vehicle is in the way, pull it upwards to its furthest extent or remove it completely (except in rear-facing vehicle seats).

  1. Ensure the seat is secure by trying to pull it out of the ISOFIX Anchorage points (6). The green safety indicators (7) must be clearly visible on both sides of the seat.
  2. In case the seat is used without ISOFIX, it can be stored away on the bottom of the seat.

By using ISOFIX, a connection to the vehicle is created which increases your child's safety. Your child still needs to be secured with the three-point belt of the vehicle.

  1. Press the L.S.P operating button (10) in order to activate the Linear Side-impact Protection (L.S.P.) (9).

The car seat can also be used without the Linear Side-impact Protection (L.S.P.) in use, if there is not enough space in the vehicle or if the Linear Side-impact Protection (L.S.P.) is in conflict with the vehicle door.

REMOVING THE CAR SEAT FROM THE VEHICLE

Perform the installation steps in the reverse order.

  1. Unlock the ISOFIX Locking arms (4) on both sides by pushing the ISOFIX Release buttons (8) and pulling them back simultaneously.
  2. Pull the seat away from the ISOFIX Anchorage points (6).
  3. Remove the car seat and store the ISOFIX in reverse order to installation.

RECLINING HEADREST

The reclining headrest (11) helps to prevent the child's head from dangerously tipping forward during sleep. It can be set to one of 3 positions. Push the reclining headrest (11) forward until the desired position is reached.

The child's head should always be in contact with the reclining headrest.

ADJUSTING THE HEADREST

The headrest (11) can be adjusted by using the headrest height adjuster (12) at the back of the headrest (11). Adjust the headrest (11) so that max. 2cm (approx. 2 finger's width) remain between the child's shoulder and the headrest (11).

The height of the headrest can still be adjusted while the seat is installed in the vehicle.

SECURING THE CHILD

  1. Route the vehicle seat belt around your child and insert the belt tongue into the belt buckle. It must lock into place with an audible "CLICK".
  2. Place the lap belt in the green coloured lap belt guides (13) of the car seat.
  3. Pull the shoulder belt to tighten the lap belt.
  4. On the side of the car seat next to the belt buckle, the shoulder belt and the lap belt must be inserted together in the lap belt guide (13).
  5. Feed the shoulder belt through the shoulder belt guide (14) until it is inside the belt guide.
  6. Ensure that the shoulder belt runs across your child's clavicle and does not touch your child's neck. If necessary, adjust the height of the headrest (11) to change the position of the belt.

REMOVING AND REATTACHING THE SEAT COVER

The cover of the car seat consists of 4 parts (headrest (2x), backrest and booster). These are held in position at several places by press-studs. Once all studs have been released, the single parts of the cover can be removed. In order to put the covers back on the car seat, follow the removal instructions in the reverse order.

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 in the dryer or in direct sunlight!

MANUFACTURER'S WARRANTY AND DISPOSAL REGULATIONS

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

UN R129/03

CYBEX Solution S iFix - CERTIFICAZIONE - 1

CYBEX Solution S i-Fix

100 – 150 cm

REPOSACABEZAS RECLINABLE

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Product information

Brand : CYBEX

Model : Solution S iFix

Category : Car seat