See also:

Removing the towing eye
Loosen the towing eye and unscrew it. Attach cover 1 to the bumper and press until it engages. Place the towing eye in the vehicle tool kit. ...

Socket in the rear-compartment center console
Example: vehicles with the smoker's package Lift up the cover of socket 1. ...

Important notes on use
To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. Adding DEF is one of the tasks performed during maintenance. Under normal operating condi ...