In June, GM said it would recall about 231,000 older SUVs over fire risks and urged owners to park them outside garages until they are repaired. These included 193,000 Chevrolet Trailblazers, GMC Envoys, Buick Rainiers, SAAB 9-7xs, Isuzu Ascenders and Chevrolet Trailblazer EXTs and GMC Envoy Xls in the US.