11.   The investigations are incomplete, but both drivers appeared to be hindered by stuck throttles that sent their cars smashing into the outside-retainer wall at high speeds.

12.   The most popular car-related theories involved a stuck throttle, the same suspicion many drivers and crew members had following the Petty crash.

13.   There was nothing to do with a stuck throttle.

14.   While NASCAR investigators found no conclusive evidence as to the cause of either accident, it was speculated both were the result of a stuck throttle.

15.   A spokesman for Mercedes said telemetry records from the car proved the accident was not caused by a stuck throttle as initially speculated.

16.   In the latest case, the speed control cable can allow water into the cable and cause corrosion that could result in a stuck throttle.

17.   Katayama later spun out with a stuck throttle.