Necessary inspections
Fluid levels, such as engine oil, engine coolant, brake fluid, and washer fluid
should be checked on a regular basis, at the exact interval depending on the fluid.
Further details are provided in ...
Adding equipment to or modifying your air bag-equipped vehicle
If you modify your vehicle by changing your vehicle's frame, bumper system, front
end or side sheet metal or ride height, this may affect the operation of your vehicle's
air bag system. ...