Sensors

The sunlight sensor on the dashboard and passenger compartment temperature sensor in the ECC control panel should not be covered in any way as this could cause incorrect information to be sent to the ECC system.
See also:
The radar sensor and its limitations
In addition to being used by ACC, the radar
sensor is also used by Distance Alert (see
page 164) and Collision Warning with Full
Auto-brake and Pedestrian Detection (see
page 172). This sensor ...
How can I prepare for my next OBD II emission inspection?
• If your Check Engine (MIL) light is lit – or
was lit but went out without service, have
your vehicle diagnosed and, if necessary,
serviced by a qualified Volvo technician.
• If you recently h ...
Use of Additives
With the exception of gas line antifreeze during
winter months, do not add solvents, thickeners,
or other store-bought additives to your
vehicle's fuel, cooling, or lubricating systems.
Overuse ...
