Volvo XC90: Key, locks and alarm / Arming and disarming the alarm
The alarm is armed when the vehicle is locked and disarmed when the vehicle
is unlocked. The alarm can also be disarmed without a functioning key.
Arming and disarming the alarm
The alarm is armed when the vehicle is locked and disarmed when the vehicle is
unlocked.
Disarming the alarm without a functioning remote key
The vehicle can be unlocked and disarmed even if the remote key is not functioning
e.g. if the battery is discharged.
- Open the driver's door using the detachable key blade.
- This will trigger the alarm.

Location of the backup key reader in the cup holder.
- Place the remote key on the key symbol in the backup reader in the tunnel
console's cup holder.
- Turn the start knob clockwise and release.
- The alarm will be disarmed.
Turning off a triggered alarm
- Press the unlock button on the remote key or put the ignition into mode
I by turning the start knob clockwise and then releasing it.
The alarm emits sound and light signals if anyone without a valid remote key
attempts to break into the vehicle or interferes with the start battery or alarm
siren...
Driver support systems
The vehicle is equipped with a number of driver support systems that can provide the driver with active or passive assistance in various situations...
Other information:
The Auto-hold brake function at a standstill is activated with the button
in the tunnel console.
Press the button in the tunnel console to activate or deactivate the function.
The indicator light in the button will illuminate when the function
is activated...
(Option/accessory.)
Steering assistance has several sub-functions. If you become distracted and
do not notice your vehicle starting to veer out of the lane while another vehicle
is approaching from behind or is in your vehicle's blind spot, Steering assistance
during collision risks from behind can help provide assistance...