Do I have a right to be kind of angry about this?

So my grandma is coming down to visit and I guess she wants to borrow a car( I’m not sure why) well my mom offered my car. Let me make one thing clear I’m not a bitch she can use my car if she wants but my mom didn’t even ask me or run it by me I literally found out because she told my grandma she couldn’t use my car anymore because it has to go into the shop. Do I have a right to be kind of angry about this I mean I paid for half of it and my dad paid for the other half as a birthday present.