Demanding driving

In demanding driving conditions, such as operating the vehicle in hot weather, towing a trailer, or driving for extended periods at higher altitudes than normal, it may be advisable to switch to higher octane fuel (91 or higher) or to change gasoline brands to fully utilize your engine's capacity, and for the smoothest possible operation.
NOTE
When switching to higher octane fuel or
changing gasoline brands, it may be necessary
to fill the tank more than once before a
difference in engine operation is noticeable.
See also:
Information display
Message in the text windows
When a warning light in the instrument panel
comes on, a message is also displayed in the
text window. After you have read the message,
you can erase it by pressing b ...
Styling
I've been a fan of the Volvo S40's face since it was last redesigned, and I'm
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Station search
1. Choose radio mode AM/FM1/FM2 using
the SELECTOR control (3) or the AM/FM
button (1).
2. Press briefly on to search
for the next strong station. The radio will
search for the next audible st ...
