What is the maximum safe weight of a trailer? It should never weigh more than the maximum trailer weight with trailer brakes. But even that can be too heavy.
It depends on how you plan to use your trailer. For example, speed, altitude, road grades, outside temperature and how often your vehicle is used to pull a trailer are all important. The ideal trailer weight can also depend on any special equipment that you have on your vehicle.
Kia Cee'd JD Service Manual: Transmitter Specifications
Specification
Item
Description
Power source
3V
Operating temperature
-20°C ~ +60°C (-4°F ~ +140°F)
RF frequency
433.92MHz
Battery
...
Kia Cee'd JD Owners Manual: Speed Limit Information Function (SLIF)
The system displays the information of
speed limit and no passing restriction to
the driver in both the instrument cluster
and navigation screen. SLIF detects traffic
signs with camera system attached
behind the top of the windscreen.
The SLIF also utilizes the navigation
information ...