Hong Kong’s consumer watchdog has warned city residents to be on guard when installing keyless electronic locks for their homes – at least if they do not want to end up locked outside their own flats.That was the position one local woman found herself in at midnight just a week after her new lock was installed, forcing her to turn to a locksmith when no one at the company answered her calls.Her complaint was just one of the tales of faulty products and poor customer service that prompted the…

This post was originally published on South China Morning Post.