“期满换证”可以提前多久办？

Group 1 - The renewal procedures for a driver's license can only be processed within 90 days before expiration [1] - Individuals can apply for an extension of their driver's license before going abroad, with a maximum extension period of three years, during which they cannot drive in the country [1] - The extension renewal can be done through the "Traffic Management 12123" app by selecting the appropriate option and following the system prompts [1] Group 2 - Drivers holding a C1 license in the probation period cannot apply for an upgrade to a C6 license [2] - Upgrading to a C6 license is only possible after the probation period of the C1 license has ended and if the applicant meets the necessary conditions [2] Group 3 - Individuals with only a motorcycle license cannot directly apply for a C6 license [4] - To apply for a C6 license, one must first upgrade to a C1 or C2 license and hold it for more than one year [4]