See also:

Checking the Brake Fluid Level
WARNING: Use caution when handling brake fluid. It can damage your vision if it gets into your eyes. It will also damage your vehicle's paint if spilled on it and not removed immediately. ...

Power Steering Fluid Level
The power steering fluid level should be checked regularly. To check the power steering fluid level, be sure the engine is "OFF", then check to make certain that the power steering flu ...

Spark plugs
Make sure to install new spark plugs of the correct heat range. ...