Yes, your GM pension plan along with other retirement accounts are subject to Required Minimum Distribution IRS set by the IRS.
The distributions you receive after 70 1/2 count towards your RMD. The answer to the RMD question for you can be answered yes if you are over 70 1/2 years young.
The RMD is a minimum amount required distribution. You GM Pension distribution is probably for more than required so it satisfies the requirement.
