See also:

Removing the cover
1. Press one of the end pieces of the cover inward. 2. Pull the cover carefully upward and outward. The other end will release automatically from its retaining bracket. ...

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 ...

The laser sensor
The upper decal describes the laser beam's classification and contains the following text: Invisible Laser radiation – Do not view directly with optical instruments (magnifiers) – Class 1M ...