Callback Kia Ceed 1.6 crdi BJ 2019

Hello, yesterday I had a letter from Kia in the mail that there is an urgent callback action for the 1.6 Crdi. According to the letter it should be the tandem pump and this should be checked and/or replaced promptly. Now I am dependent on the vehicle because I want to go Friday for 3 weeks on holiday. There I will certainly drive around the 5000 km. Now of course the question arises to me, is it really as urgent as it is in the letter and wa s happens if I stay with it? Does the guarantee expire or do I stay on the costs because I have knowingly gone on vacation with it? A cancellation of the holiday is not really possible and a rental car for the time also fails. Greetings Thorsten