Depending on the size, length, or shape of the USB stick, the USB device may be damaged or deformed. When the stick is stuck, forcibly pulling the USB stick can cause damage to the port. If the USB stick does not fit, do not forcibly push the USB stick to the port and try another USB stick with different specifications.

When using a communication system such as a cellular phone or a radio set inside the vehicle, a separate external antenna must be fitted. When a cellular phone or a radio set is used with only the internal antenna, it may interfere with the vehicle's electrical system and adversely affect the safe operation of the vehicle.