• What to do if I lose my key card/tag key ?
• Can I buy more key card/tag key ?
• How many key card/tag key can be registered ?
• Can I register key card/tag key later ?
• Is there any other card or mobile phone that can be registered as key card/tag key?
• What to do if I replace my mobile wallet?
• Can I change registration name of my key card/tag key/mobile wallet ?