Jim Carrey is ` ` Saturday Night Live '' for third time . ` ` Dumb and Dumber '' co - star Jeff Daniels makes cameo . Carrey plays Matthew McConaughey 's role in the car commercials .
Jim Carrey hosts `` Saturday Night Live '' for third time . `` Dumb and Dumber '' co-star Jeff Daniels makes cameo . Carrey plays Matthew McConaughey 's role in Lincoln car commercial .