See also:

Winter tires
Do not drive with a tire tread depth of less than 0.16 in/4 mm. Below a tread depth of 0.16 in/4 mm, tires are less suitable for winter operation. ...

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...

Look well ahead when driving
Avoid unnecessary acceleration and braking. By maintaining a suitable distance to the vehicle driving ahead of you. Driving smoothly and looking ahead reduces fuel consumption. ...