Simplify the following text for a Grade 9 native English-speaking person.
Original: In order to increase the Firestone subsidiary 's brand awareness , Bridgestone Firestone NAH Ltd , re-entered the Firestone brand into IndyCar racing in 1995 , and in 1997 Bridgestone Corporation Japan entered the Bridgestone brand into F1 racing .
Simplified: To increase the brand awareness , they re-entered the Firestone brand into IndyCar racing in 1995 . In 1997 , Bridgestone Corporation Japan entered the Bridgestone brand into Formula One racing .