The "Vancouver Sun" does cite an earlier safety board advisory which said that the bridge crew "were confused about how to use a new steering mode selector switch--that among other things controls whether the ship is on autopilot or manual steering--installed in a retrofit in February ." However, BC Ferries concludes the bridge crew working the night of the disaster "chose" to use newly installed steering controls in a way "different" from the manner instructed but that this choice did not appear to have been the cause for the grounding of "Queen of the North". David Hahn states that: