See also:

Office
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Distance to back of head: manual head restraints
Distance to back of head: manual head restraints ▷ Forward: by pulling ▷ Back: press the button and push the head restraint toward the rear. ...

Starting the engine
Do not run the engine in enclosed areas; otherwise, the inhalation of toxic exhaust gases can cause loss of consciousness and death. The exhaust gases contain carbon monoxide, an odorless and col ...