Volvo 2008 S40 Owner's Manual page 114

The alarm system
The alarm is automatically armed whenever the car is locked with the remote control, or if a front lock button is
depressed.
When armed, the alarm continuously monitors a number of points on the car. The following conditions will trigger the
alarm:
The hood is forced open.
The trunk is forced open.
A door is forced open.
The ignition switch is tampered with
An attempt is made to start the car with a non-approved key (a key not coded to the car's ignition).
If there is movement in the passenger compartment (if the car is equipped with the optional movement sensor).
The car is lifted or towed (if the car is equipped with the optional inclination sensor)
The battery is disconnected (while the alarm is armed).
The siren is disconnected when the alarm is disarmed.
The alarm indicator light
The status of the alarm system is indicated by the indicator light on at the top of the dashboard (see illustration):
Indicator light off - the alarm is not armed
The indicator light flashes every two seconds - the alarm is armed
The indicator light flashes rapidly before the ignition is switched on - the alarm has been triggered. The message
"ALARM TRIGGERED, CHECK CAR" will also be displayed.
Fault in the alarm system: If a fault has been detected in the alarm system, a message will be shown in the
information display. Contact a trained and qualified Volvo service technician to have the alarm system inspected and
repaired if necessary.
Arming the alarm
Press the LOCK button on the remote control, or press the central lock button on one of the front doors with the door
open. One long flash of the turn signals will confirm that the alarm is armed.
Disarming the alarm
Press the UNLOCK button on the remote control or insert the key in the ignition
flashes from the car's direction indicators confirm that the alarm has been deactivated and that all doors are unlocked.
1
to disarm the alarm. Two short