Methods and apparatus are provided for a model-based diagnostic interface. The center server includes a replication requesting unit, a data consolidating unit including a center DB freeze requesting unit and a center DB freeze release requesting unit, a replication source managing table and a data consolidation completion notifying unit. The controller adjusts spark timing of the engine based on the load signal prior to engagement of the ECC. The siloxane based coating composition shows excellent dyeability owing to the dyeing improving material, excellent abrasion resistance owing to the organo silane compound, and excellent glossiness and transparency, so it may be applied as a coating film on a surface of a plastic lens such as optical lens, industrial safety lens and leisure-purpose goggle that require high transparency.