Looks like only in UK. Not available in the US.
https://www.moneysense.ca/columns/ask-moneysense/toyota-truc...
They even went so far as to SCAM customers by spraying rusted out frames with polymer compound +over the corrosion_ just to push cars over the warranty period at the lowest cost possible.
https://www.toyotanation.com/threads/frame-corrosion-after-c...
No mention of it on Toyota Canada or US websites