The first involves the 2004 Buick Rainier and the 2002 to 2004 Chevrolet Trailblazer, GMC Envoy and Oldsmobile Bravada. A National Highway Traffic Safety Administration spokesman says tail lights could malfunction.
The second involves the 2003-Model Chevrolet Cavalier and Pontiac Sunfire for tail light and turn-signal malfunctions.
The 2003-Model Chevrolet Malibu, Pontiac Grand AM and Oldsmobile Alero are also being recalled because their accelerators could stick and not return to idle.
The last involves the 2004 to 2005 Cadilla XLR and 2005 Chevrolet Corvette. Field tests suggest a possible brake fluid leak.