See also:

Range
The remote key has a range of approximately 60 ft. (20 m) from the vehicle. NOTE Buildings or other obstacles may interfere with the function of the remote key. The vehicle can also be locked ...

Accessory installation
• We strongly recommend that Volvo owners install only genuine, Volvo-approved accessories, and that accessory installations be performed only by a trained and qualified Volvo service technici ...

Ignition mode I
NOTE To access ignition modes I or II without starting the engine, the brake pedal must not be depressed. - With the remote key fully pressed into the ignition slot, press START/STOP ENGINE ...