See also:
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. ...
Do not neglect the interior
Moisture can collect under the floor mats and carpeting to cause corrosion. Check
under the mats periodically to be sure the carpeting is dry.
Use particular care if you carry fertilizers, cleaning ...
Brake fluid
Check brake fluid level in the brake fluid reservoir. The level should be between
“MIN” and “MAX” marks on the side of the reservoir. Use only hydraulic brake fluid
conforming to DOT 3 or DOT 4 spec ...