Safety Chains
Always attach chains between the vehicle and the trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes separated from the hitch. Leave enough slack so the rig can turn. Never allow safety chains to drag on the ground.
See also:
Filling the Tank
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.
WARNING
Fuel vapor burns violently and a fuel fire can cause bad injuries.
To help avoid injuries to you ...
Audio System
When using the in-vehicle Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system. Use the audio system volume knob, during a call, to change the ...
Heavy Duty Crew Cab Only
This vehicle has airbags. A rear seat is a safer place to secure a forward-facing child restraint. See Where to Put the Restraint on page 3‑49.
A label on the sun visor says, “Never put a rea ...