U-Rail
For vehicles with a u-rail system, the fence can be moved to different positions on the u-rail track to secure cargo.
Push both adapter buttons to move the adapters (B) on the straight part of the u-rail.
To move the fence around the u-rail, disconnect one side:
1. Unlock by turning the latch (A) to align 
with the arrow on the" width=18 height=20
id="_x0000_i1278" src="images/books/1183/1/index.41.gif" border=0>with the arrow on the
adapter (B).
2. Push the adapter button to move the adapters (B) to the desired position.
3. Reinstall the fence and lock both latches (A) by turning to align 
with
the arrow on the adapter (B).
Use the fence to secure items in place.
See also:
Weight of the Trailer
How heavy can a trailer safely be?
It should never weigh more than
450 kg (1,000 lbs). But even that
can be too heavy.
Speed, altitude, road grades,
outside temperature, special
equipment, ...
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lower the driver window and open the driver door.
2. Activate the system by locking the doors with the power door lock switch while
the door is open, ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...