General Motors is recalling more than 250,000 '00 to '03 Saturn L-Series cars because of ignition-module problems that could lead to an underbody fire. According to General Motors safety spokesman Jim Schell, seven fires have been reported as a result of ignition misfiring, but no crashes or serious injuries.

If a driver continues to operate a car that's misfiring, Schell said, it could affect exhaust-system components including the catalytic converter, oxygen sensor, and exhaust resonator, and could eventually damage the brakes and fuel system.

In late July, Saturn will begin notifying owners of recalled vehicles to make an appointment with their dealer for necessary repairs. All work will be done free. If you have experienced any of the warning signs described below, Schell advises you to immediately bring your car in for repairs. If not, hold off until the notification letter arrives. Here's a summary of what you need to know:

Models: About 254,000 cars with 2.2-liter engine made 6/13/99 to 6/12/03. Signs of trouble include difficulty starting the vehicle, reduced engine power, and change in idle quality.

What to do: If your vehicle exhibits any of these trouble signs, make an appointment with your dealer as soon as possible. The dealer will replace the spark plugs and ignition module. On '02 and '03 models, the dealer will also reprogram the powertrain control module. If your car is running fine, wait until you receive written notification from Saturn to schedule an appointment. The letters will be mailed beginning in late July.
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According to this article, under what circumstances should you bring your Saturn in to the dealer immediately?
A.
You own a Saturn L-Series vehicle made between 1999 and 2003 that is running fine.
B.
Your L-series vehicle is having a hard time starting, has reduced engine power, or is experiencing a change in idle quality.
C.
Your Chevrolet vehicle is having a hard time starting, has reduced engine power, and is experiencing a change in idle quality.
D.
You drive long distances in your Saturn L-Series every week and need to change the oil every 2000 miles instead of every 3000.