Condensation under the parked vehicle
When using the automatic climate control, condensation water develops that exits underneath the vehicle.
Therefore, traces of condensed water under the vehicle are normal.
See also:
Oil change
An oil change should be carried out by your
service center only.
...
Functional readiness of the airbag
system
When the ignition is switch on, the warning
lamp in the instrument cluster lights
up briefly and thereby indicates the operational
readiness of the entire airbag system
and the belt tensione ...
Head airbags
In a lateral impact, the head airbag supports the
head. ...