How to get help if something goes wrong during your rental.
Major international rental brands typically offer 24-hour support lines, though response times and language support can vary by country and time of day. Smaller local agencies may have more limited hours, which is worth checking before you rely on being able to reach them at any time.
Saving the support number in your phone before you need it, rather than searching for it during a stressful moment, is a small habit that pays off.