Other information:
Filter inspection
The climate control air filter should be replaced according to the maintenance
schedule.
If the vehicle is operated in severely air-polluted cities or on dusty rough
roads for a long period, it should be inspected more frequently and replaced
earlier. ...
You should always attach chains between your vehicle and your trailer. Cross
the safety chains under the tongue of the trailer so that the tongue will not drop
to the road if it becomes separated from the hitch.
Instructions about safety chains may be provided by the hitch manufacturer or
by ...