One problem related to steering wheel vibrate has been reported for the 2007 Saturn ION. The most recently reported issues are listed below.
The contact owns a 2007 Saturn Ion. The vehicle began to shake when the power steering failed; however, when the power steering warning light illuminated the steering wheel does not shake. The manufacturer was contacted, but didn't offer any assistance with the repair. The VIN was not available. The vehicle will be repaired. The failure mileage was 72,000 and the current mileage was 78,000.