If a customer returns a U-Haul truck late, they may face additional charges according to the rental agreement. U-Haul typically charges for each hour or day that the truck is kept beyond the scheduled return time. To address this situation, it is advisable to check the rental agreement for specific terms regarding late returns. In most cases, it is best for the customer to communicate the delay as soon as possible, as some locations may offer grace periods or flexibility in extenuating circumstances. Customers should also consider using the online account management system available on the U-Haul website, as it may provide information on their rental status, including any potential late fees. It is important to stay updated on policies regarding late returns, as they may vary by location. For further information or clarification, customers can look for the contact information on the current U-Haul web page.