UPDATE 2-GM urges drivers stick to sparse key ring even after recall repair
* U.S. Senate announces its own probe of GM, NHTSA over recall
* Senate, House say criminal investigation could complicate their probes
* Faulty ignition switches linked to 12 deaths
* Hit to GM stock "overdone" -analyst
By Ben Klayman, Richard Cowan and Eric Beech
DETROIT/WASHINGTON, March 12 (Reuters) - General Motors Co said on Wednesday that even after the vehicles in its ignition-switch recall are repaired, owners should avoid weighing down their key rings with anything more than the key and fob.
Also on Wednesday, U.S. Senator Claire McCaskill said a Senate subcommittee plans to hold a hearing in early April on GM's recall last month of more than 1.6 million vehicles with the faulty ignition switches which have been linked to 12 deaths. Most of the affected cars were sold in the United States.
GM became aware of the problem a decade ago.
"We have to get to the bottom of this," said McCaskill, a Missouri Democrat. "We need to find out who dropped ball and put millions of Americans at risk." Continuación...