Oil change
An oil change should be carried out by your service center only.

See also:
Fuses
Never attempt to repair a blown fuse and do
not replace a defective fuse with a substitute of another color or amperage rating;
otherwise, this could lead to a circuit overload, ultimately result ...
Switching the microphone to mute
When a call is active, the microphone can be
muted.
1. "Telephone"
2. "Active calls"
3. "Microphone mute"
A microphone that has been switched to mute
is automatic ...
Suitable media
Use of CDs/DVDs
▷ Do not use self-recorded CDs/DVDs
with labels applied, as these can become
detached during playback due
to heat buildup and can cause irreparable
damage to the devic ...
