Volkswagen Group, the sponsor of Brazil’s soccer team, has contacted the country’s soccer federation for clarification over a promotion by Hyundai Motor Co. linked to the team’s performance at this year’s World Cup.

The soccer body, the CBF, has complained to the South Korean automaker over an advertising campaign that promises an extra year’s warranty to new-car buyers in Brazil should the team clinch a record-extending sixth World Cup. The CBF says it’s a misuse of the national squad’s intellectual property.