


Activating/deactivating MAX COOL
maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
MAX COOL is only operational when the
engine is running.
► To activate: press the Ù button.
The indicator lamp ...
Removing the ball coupling
X Remove the spring cotter.
■ Remove the bolt from the ball coupling
recess.
■ Remove the ball coupling from the ball
coupling recess.
■ Clean the ball coupling if it is dirty.
...
DEF (BlueTEC vehicles only)
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF.
When the supply of DEF is almost used up,
the Check Additive See Op ...