The instrument panel fuse block is on the passenger side of the lower console.
Pull the latch of the fuse box cover straight back to access the fuses.
The vehicle may not have all of the fuses, relays, and features shown.
Chevrolet Captiva Service & Repair Manual > Air Bags: Air Bag System Disarming & Arming
The air bag control module
maintains a reserved energy supply. The reserved energy supply provides
deployment power for air bags if air bag control module loses battery power
during a collision. Deployment power is available for as much as 2 minute
after disconnecting vehicle ...