Volvo 2007 S80 Owner's Manual page 62

Indicator and warning symbols
High beam and turn signal indicators
Function check
All indicator and warning symbols light up in ignition mode II or when the engine is started. When the engine has
started, all the symbols should go out except the parking brake symbol, which only goes out when the brake is
disengaged.
If the engine does not start or if the function check is carried out in ignition mode II, all symbols go out after 5 seconds
except the
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03 Your driving environment
Instruments and controls
symbol for faults in the vehicle's emissions system and the symbol for low oil pressure.
Certain symbols may not have their functions illustrated, depending on the vehicle's equipment.
Indicator and warning symbols
Trailer turn signal indicator
If you are towing a trailer, this light will flash simultaneously with the trailer's turn signals. If the light does not flash,
or if they flash faster than usual when signaling a turn, the turn signals on the trailer or on the vehicle are not
functioning properly.
Malfunction Indicator Light
As you drive, a computer called On- Board Diagnostics II (OBDII) monitors your vehicle's engine, transmission,
electrical and emission systems.
The malfunction indicator (CHECK ENGINE) light will illuminate if the computer senses a condition that potentially
may need correcting. When this happens, please have your vehicle checked by a trained and qualified Volvo service