check all the rubber, shocks, linkages, cv boots. It'll most likely right off the bat need new fuel and fuel filter. 235,000 isn't a problem provided it wasn't abused (good luck figuring that one out). The key and key switch is just a normal key and switch, no computer stuff. Can do it yourself fairly inexpensively. Just understand you get what you pay for, which is a fixer upper and you will be fixing it up for some time from the sound of it. If you like the car and are willing to spend the money and do the work, great. Just go into with your eyes open, get a good manual and a torque wrench.......and USE IT. Can't tell you how many bozo screw ups I've had to fix because some bonehead thought a 10mm bolt needed to be 150 ft pounds.