Curtain airbag system
The curtain airbags are contained in the front and rear pillars and roof side rail. The curtain airbag is designed to inflate only on the side of the vehicle that is impacted, even with no passenger in the front seat or rear seat.

See also:
For the rear seat
In order to use the cup holder, allow the armrest (A) to drop down.
...
Supplemental restraint system (SRS) - airbag
The information for SRS airbags includes important information concerning the
driver’s and front passenger’s airbags, the driver’s knee airbag, the side airbags
and the curtain airbags.
The ...
Parking
To park the vehicle, fully engage the parking brake, and then move the gearshift
lever to 1st or “R” (Reverse) position for vehicles equipped with M/T, or set the
selector lever (CVT) or gears ...
