Heated oxygen sensors

The heated oxygen sensors monitor the oxygen content of the exhaust gases. Readings are fed into a control module that continuously monitors engine functions and controls fuel injection. The ratio of fuel to air into the engine is continuously adjusted for efficient combustion to help reduce harmful emissions.
See also:
Introduction
The infotainment system's voice control feature
enables the driver to voice-activate certain
functions in a Bluetooth®-connected cell
phone or the navigation system.
NOTE
• The information in ...
Low beams
When the engine is started, the low beams are
activated automatically (daytime running lights)
if the headlight control is in position 0 or
.
Daytime running lights can be deactivated in
the ...
2012 Volvo XC70 Review
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