Fitting and removing tie-down eyes
WARNING Risk of injury due to incorrectly installed tie-down eyes
If the tie-down eyes are not correctly installed, they can slip or tear out.
This may cause objects, luggage or the load to slip, tip over or be thrown about the vehicle interior, striking vehicle occupants.
Make sure that the tie-down eyes are correctly installed and do not move.
Observe the notes on the loading guidelines and on securing loads More.
Example: guide rails
Tie-down eyes for guide rails
Fitting
Turn metal retaining ring 
so that it is parallel to the long axis of tie-down eye 
as illustrated.
so that it is parallel to the long axis of tie-down eye as illustrated. The locking pin can only be pushed down sufficiently and allow the tie-down eye to be fitted, moved or removed, if the metal retaining ring is parallel to the long axis of the tie-down eye.
Hold tie-down eye between your forefinger and middle finger as illustrated, and place your thumb through metal retaining ring and on the central pressure point.
between your forefinger and middle finger as illustrated, and place your thumb through metal retaining ring and on the central pressure point. Use your thumb to push the locking pin down as far as it will go.
Push tie-down eye near the load using the notches on guide rail 
, and move it approximately 12 mm.
near the load using the notches on guide rail , and move it approximately 12 mm. Remove your thumb from the pressure point and slide tie-down eye until it engages.
until it engages. Turn metal retaining ring so that it is perpendicular to the long axis of tie-down eye .
so that it is perpendicular to the long axis of tie-down eye . The locking pin cannot be pushed down far if the metal retaining ring is perpendicular to the long axis of the tie-down eye. This prevents the tie-down eye from being released unintentionally, e.g. if the tie-down eye is stepped on.
Check that tie-down eye is seated correctly.
is seated correctly. The tie-down eye cannot be moved.
Removing
Turn metal retaining ring so that it is parallel to the long axis of tie-down eye .
so that it is parallel to the long axis of tie-down eye . Grip tie-down eye as described above under fitting and use your thumb to push the locking pin down as far as it will go.
as described above under fitting and use your thumb to push the locking pin down as far as it will go. Slide tie-down eye and pull it up and out through the notch of guide rail .
and pull it up and out through the notch of guide rail .