Anti-freeze should be added to your vehicle's cooling system according to the manufacturer's specification.
If the cooling system warning light is illuminated, switch off the engine immediately. Once the engine has reached a safe temperature, check how much coolant there is in the reservoir. If it's below the minimum level you'll need to top it up. Always do so with the correct anti-freeze solution as per manufacturing specification. Never top up with just water – this will reduce the system's effectiveness.
More detailed information can be found in the owner's manual if you’re still unsure. Alternatively, you could call ŠKODA Roadside Assistance on 0800 526 625 for advice, or contact your local ŠKODA retailer.
Article source: www.skoda.co.uk