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:
Key memory: door mirrors and driver's seat
The position of the side door mirrors and power
driver's seat are stored in the remote keys
when the vehicle is locked. The next time the
driver's door is unlocked with the same remote
key and ...
2008 Volvo C30 Review
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Functions
NOTE
If a warning message appears while you are
using the trip computer, this message must
be acknowledged in order to return to the
trip computer function. Acknowledge a
message by pressing ...
