See also:

Changing coolant
Normally, the coolant does not need to be changed. If the system must be drained, consult a trained and qualified Volvo service technician. Do not top off with water only. This reduces the rust- ...

Increasing or decreasing speed
Use + or – in the following ways to increase or decrease the vehicle's speed: 1. Press and hold down + or – until the vehicle reaches the desired speed. 2. Press + or – for approximately a hal ...

Safety
The S40 has earned good crash-test scores from the Insurance Institute for Highway Safety. Specifically, it scores Good (the best possible) in frontal and rear impacts and Acceptable (one ranking ...