Volvo XC90: Key, locks and alarm / Antenna locations for the start and lock system
The antennas for the keyless start system and keyless locking system* are
integrated in the vehicle.

Location of the antennas:
Under the cup holder in the front
section of the tunnel console
In the upper front section of the
left-side rear door1
In the upper front section of the
right-side rear door1
In the center of the rear seat backrest1
WARNING
Individuals with an implanted pacemaker should not allow the pacemaker
to come closer than 22 cm (9 in.) to the Keyless system antennas. The aim of this
is to prevent disturbances between the pacemaker and the Keyless system.
1 Only in vehicles equipped with keyless locking and
unlocking*.
* Option/accessory.
(Option/accessory.)
With keyless locking and unlocking, the tailgate can be unlocked by lightly
touching the rubberized button on the tailgate handle...
The doors and tailgate can be locked and unlocked from inside the vehicle
using the central lock buttons in the front doors.
Central locking
Button with indicator light for locking and unlocking in front
door...
Other information:
The Driver Alert Control (DAC) function is designed to help alert the driver
to erratic behavior, e.g. if the driver is distracted or showing signs of fatigue.
The objective of the function is to detect slowly deteriorating driving behavior
and is primarily intended to be used on major roads...
(Option/accessory.)
(Depending on market, this function can be either standard or optional.)
When the regular cruise control (CC1) is selected in the instrument
panel, you can switch to Adaptive Cruise Control (ACC2) in the center
display's Function view...