Simplify the following text for a Grade 6 native English-speaking person.
Original: He reappeared on the program on the June 4 , 2006 , and set a time in the Chevrolet Lacetti of 1:50.3 , a significant improvement on his previous time of 1:55 .
Simplified: He appeared on the program again on 4 June 2006 , and set a time in the Chevrolet Lacetti of 1:50.3 , a significant improvement on his previous time of 1:55 .