See also:

Safety chains
Always use a suitable chain between your vehicle and the trailer. The safety chains should be crossed and should be attached to the hitch, not to the vehicle bumper or axle. The safety chains ...

During a call
There are some options available during a call. Select one of the following displayed on the screen, if necessary: Hang up: Finish the call. Use Handset: Transfer the call to the cellular phon ...

Off button
To change the display brightness, press the OFF button. Pressing the button again will change the display to the day or the night display. The brightness can then be adjusted using the NI ...