George Hoffer, a business professor at Virginia Commonwealth University who follows the auto industry, said inventory numbers have already improved.
The latest figures show that GM
has a 111-day supply of cars and trucks, down from 122 last month, and supplies of some trucks are dropping dramatically.
The Tahoe has a 72-day supply, down from 116 last month, and the Suburban has a 64-day supply, down from 131.
says some of the automaker's supply problems stem from dealers who can't get financing to order vehicles.
"I'm really wondering if the root cause is dealers who have no financing," he
"Production doesn't get scheduled until you have an order from a dealer."
has received $13.4 billion in government loans and faces a June 1 deadline to cut its debt and reduce costs.
If it doesn't meet the deadline, its CEO has said it will enter Chapter 11 bankruptcy protection.
and Cole also echoed industry rumors that some of GM's
13 plants may not reopen after the shutdown.