number one hint for you as a budding photographer...avoid parking garages. if you want to take pictures of a car at night, use artificial light. it's just...better. garage lights were never meant to be flattering for ANYTHING.
watch that, and ignore the fact that it's absolutely terrible and wholly reliant on photoshop for success. you can do it all in a single exposure with a flashlight or a similar light source. as a new photographer, you should try to AVOID photoshop or it may end up being a crutch.