See also:

Overheating
If the temperature gauge indicates overheating, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot. WARNING ...

Horn
To sound the horn, press the mark on the steering wheel. ...

AUX Mode (Auxiliary input)
You can connect portable audio units or similar products on the market to the auxiliary jack to listen to music or audio over the vehicle's speakers. To use the auxiliary jack, pull up its cover. ...