If you’ve forgotten your Citi card PIN, you can retrieve or reset it by logging into your Citi online banking account or mobile app. Navigate to the "Manage My Account" section and look for the PIN retrieval option. If available, follow the prompts to receive a temporary PIN via SMS or email. Alternatively, you can call Citi customer service for assistance. They may require identity verification to help you reset your PIN. For security reasons, avoid sharing your PIN and ensure to update it regularly to maintain account safety.