2011 GMC Sierra 1500 Hybrid Review
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Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first.
Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's wa ...
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. This ligh ...
Trailer Towing
Three important considerations have to do with weight:
• The weight of the trailer
• The weight of the trailer tongue
• The total weight on the vehicle's tires ...





