Introduction
The symbols in the vehicle's various displays
are divided into three main categories:
• Warning symbols
• Indicator symbols
• Information symbols
The following tables list the most common symbols, their meaning and the pages in this manual that provide more detailed information.
Warning symbol
The red warning symbol 
lights up
to
indicate a problem related to safety and/or
drivability. A message will also appear in the
main instruments panel's display.
Information symbol
The information symbol 
lights up
and a
text message is displayed to provide the driver
with necessary information about one of the
vehicle's systems.
See also:
Engine specifications
Charge air cooler (Intercooler)
Turbocharged engines employ a turbo-compressor
to force air into the engine inlet manifold
and a charge air cooler to cool the compressed
inlet air. The resulting ...
Design Concept
The Volvo S40 is a tribute to Volvo's talented and multi-cultural design
teams in Gothenburg, Barcelona and California, who have captured the premium
values of a contemporary Volvo saloon in a com ...
Deposit control gasoline (detergent additives)
Volvo recommends the use of detergent gasoline
to control engine deposits. Detergent
gasoline is effective in keeping injectors and
intake valves clean. Consistent use of deposit
control gasol ...