Applicants seeking to renew a certificate to drive a farm labor vehicle shall have successfully completed two hours of classroom instruction for each 12 months of certificate validity covering, but not limited to, current laws and regulations, accident prevention, and defensive driving. Failure to successfully complete the required training during any 12-month period of certificate validity is cause for the Department of Motor Vehicles to cancel the farm labor vehicle driver license or certificate. All training required in Section 40089 may be accepted in lieu of the requirements of this section.