Why can I not load a promo code? Yourdrive Support June 20, 2018 00:02 Updated If you try to load a promo code that is expired or is not valid for your account, you will receive an error on screen. If you think this is a mistake, please contact us. Related articles Can I apply a promo code on an existing booking? Where can I get a promo code? How should I price my vehicle? How much is the excess? Can I upgrade my insurance?