He thanked his colleagues and volunteers for covering him while he was on leave.
Vapes were also found in his car.
Its driver will be charged under Malaysia's Land Public Transport Act and Road Transport Act.
Another man apologised and said that his friend was drunk.
The two met on a dating app in early 2024.
Many netizens worried that the families may get swept away by floodwaters inside the canal.
Police slapped him with a S$149 fine for multiple offences.
The man reversed his van into the home before setting it on fire, trapping the teen and her mother inside.
"We shouldn’t snigger or discourage folks from speaking up," she wrote in a Facebook post.
Her family thanked everyone for sharing the missing person's alert.