Jeep 2016 Wrangler Owner's Manual page 177

The rear cargo light may be turned on by pushing the
lens. Push the lens a second time to turn the light off.
Rear Cargo Light
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 175
When a door is open and the interior lights are on,
rotating the dimmer control to the extreme bottom posi-
tion will cause all the interior lights to turn off. This is
also known as the "Party" mode because it allows the
doors to stay open for extended periods of time without
discharging the vehicle's battery.
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