A parking lot accident can turn a normal day into a stressful mess, whether you caused the damage or returned to find your own car hit. This guide explains the most important steps to take in both situations. Learn how to secure the area, check for injuries, photograph the vehicles, exchange information, leave a proper note, contact police when necessary, and notify your insurance company. It also covers what to do after discovering unexplained damage, including searching for witnesses, requesting security footage, filing a hit and run report, gathering repair estimates, and tracking related expenses. Staying calm and documenting everything can protect you from legal trouble, insurance disputes, and unexpected repair costs. These practical tips show drivers how to respond responsibly, preserve useful evidence, avoid common mistakes, and follow the situation through until the damage, claim, and paperwork are fully resolved. Preparation now can prevent bigger problems after an accident.