2011 GMC Sierra 1500 Hybrid Review
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Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer
or an underbody car washing system can do this. If not removed, rust and corrosion
can develop. ...
If No Steam is Coming from the Engine Compartment
If an engine overheat warning is displayed but no steam can be seen or heard,
the problem may not be too serious. Sometimes the engine can get a little too hot
when the vehicle:
○ Climbs a ...
Front Seats
The vehicle's front seats have head restraints in the outboard seating positions.
WARNING
With head restraints that are not installed and adjusted properly, there is a
greater chance that occu ...





