Xingrui has been in D gear twice in a row.

Does the subject want to ask, "What's the matter with Xingrui hanging the D file twice in a row?"? Operation error, gear shifting system failure.

1, operation error: the driver's operation is inaccurate when shifting gears, resulting in continuous shifting into D gear.

2. Gear shifting system failure: the gear shifting system of Xingrui vehicle has failed, resulting in that the automatic gear cannot be switched to other gears normally.