General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
Check the battery in the SmartKey and
replace it if necessary.
Unlock the driver's door using the
mechanical key.
Lock the vehicle.
Have the starter battery and the battery
contacts checked at a qualified specialist
workshop.
If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.
See also:
Brake fluid
WARNING
Over a period of time, the brake fluid absorbs
moisture from the air; this lowers its boiling
point.
If the boiling point of the brake fluid is too low,
vapor pockets may form in t ...
Engine oil viscosity
Viscosity describes the flow characteristics of a fluid. If an engine oil has
a high viscosity, this means that it is thick; a low viscosity means that it is
thin.
Select an engine oil with an SA ...
Coolant
Important safety notes
The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs
the following tasks:
corrosion protection
antifreeze protection
raising the boiling ...
