If the assist is lost, a message displays on the car’s display with an audible chime. The company said steering control can be maintained because the vehicle will revert to manual steering.
However, there could be greater risk of a crash because the driver would need to use more effort to steer at low speeds, GM aid.
A congressional investigation into the General Motors recalls has found that both GM and federal safety regulators missed chances to fix the problem ahead of a series of fatal crashes.
The findings are detailed in a report from the House Energy & Commerce Committee, which on Tuesday will hold hearings into the delayed recall of faulty ignition switches now linked to 13 deaths.
Models included in the recall announced on Monday:
-- Chevrolet Malibu: All model year 2004 and 2005 vehicles, and some model year 2006 and model year 2008 and 2009 vehicles.
-- Chevrolet Malibu Maxx: All model year 2004 and 2005 vehicles, and some 2006 model year vehicles.
-- Chevrolet HHR (Non-Turbo): Some model year 2009 and 2010 vehicles.
-- Chevrolet Cobalt: Some model year 2010 vehicles.
-- Saturn Aura: Some model year 2008 and 2009 vehicles.
-- Saturn ION: All model year 2004 to 2007 vehicles.
-- Pontiac G6: All model year 2005, and some model year 2006 and model year 2008 and 2009 vehicles.
-- Service parts installed into certain vehicles before May 31, 2010, under a previous safety recall.