Offer exclusive to cars aged three years or older having a manufacturer service at Arnold Clark branches. Voucher promotion not available at Mercedes-Benz or Harry Fairbairn branches. Retail customers only - excludes business, fleet, Motability and Service Plan customers. Offer ends 31.07.17 and final entry date is 14.08.17. Cannot be used in conjunction with any other offer. Once work has been completed, a redemption voucher will be supplied by the Arnold Clark Service department to the customer collecting the vehicle or paying the invoice. To receive the free £20 gift card, the customer must enter the redemption voucher details at ArnoldClark.com/servicing/redeem. Voucher will be sent to address supplied within 28 days of redemption. Amazon.co.uk is not a sponsor of this promotion. Amazon.co.uk Gift Cards ("GCs") may be redeemed on the Amazon.co.uk website towards the purchase of eligible products available on www.amazon.co.uk. GCs cannot be reloaded, resold, transferred for value, redeemed for cash or applied to any other account. Amazon.co.uk is not responsible if a GC is lost, stolen, destroyed or used without permission. See www.amazon.co.uk/gc-legal for complete terms and conditions. GCs are issued by Amazon EU S.à r.l. All Amazon ®, ™ & © are IP of Amazon.com, Inc. or its affiliates.