i bought this car last year with 67k miles it looks amazing but the bluetooth skips and sometimes my phone just disconnects ive left it sitting for about a month and when i drove it again it started right up i see a few videos on youtube saying its the bluetooth module but the two videos i found they all say it drains the battery for any of the few people who own this car is this common and is there a simple fix

also upgrades. what can i do to the car it seems like they dont even make parts for this thing so if something breaks am i just screwed?

theres no after market stereo mounts or really any info on this car