Regulators investigating Dodge Calibers

Chrysler said the National Highway Traffic Safety Administration investigation is focusing on 2007 model year cars produced in March and April 2006.

CNNMoney.com said 10,000 vehicles could be affected by the problem, which involves the brake override system.

The system is supposed to cut engine power when the brakes are applied. The NHTSA has received five complaints, including four in which parts of the system were found on the floor of the vehicle.

If some parts become detached, the gas pedal can shift into a different position, which can cause the pedals to become stuck.

Although the problem is different, the gas pedals under investigation were made by CTS Corp., the same company that made gas pedals for Toyota Motor Corp., which recalled millions of cars this year due to sticking gas pedals.

Chrysler Group said owners of Dodge Caliber produced in a five-week period in March and April 2006, could have their cars inspected for gas pedal problems for free.

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