The Sony Xplod CDX 757MX,,Teac PD D2610 and Denon DCM 290 are only a few of those which do.
For the most part, car CD changers will be obsolete, because many car stereo systems now come with MP3 players built in, so many people will not even need a MP3 player to hear MP3s in their car.
You can go to a local automotive supply store. Car repair stores may also sell used car changers or you can find used changers online.
car cd changers are normally mounted in either the trunk or the glove compartment
I would not like to receive tire changers as a gift. For this reason I do not think that tire changers would make a good gift. If I needed tire changers I would go to the store and pick them out myself. Also the person giving you the tire changers may get you the wrong tire changers for your car. Gifts are given with an intention of kindness. A used tire changer may be appropriate for someone who collects them or for someone whose car no longer has one.
Panasonic j-1025rs is a great one at that price, it will even play mp3s.
You can find aftermarket CD Changers that fit your car at http://www.crutchfield.com . Their fit selector will help you determine what CD changers/kits will fit. Another reputable site is http://www.sonicelectronix.com .
Car CD changers will often come with installation instructions if it is purchased new. If the CD changer is already installed in the car, there probably will not be instructions.
Pioneer is the leader in CD changers, and all their products are very well regarded.
You can purchase a wireless FM transmiter. the package comes with instructions easy to follow. If you have your MP3s burned to a CD built-in radio will play them
Your player may not support MP3. Your mp3s may be encoded in a way which is not compatible with your CD player. Many CD players cannot play variable-bitrate mp3s for example. Sometimes my car stereo (which supports mp3) has difficulty with some of the cheaper CD media. Cds which are odd colors are often not readable by in-dash players.
Oil changers are the actual people who change your cars oil. You need an oil change to keep your car engine running well. They also sell oil changing kits for people who want to change their own oil.
You can mount a few changers under the seat.It's a lot easier to do it in a truck of course.Ehow.com has a nice tutorial if you want to check it out.