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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 ...

Under the Hood
In all but the Ultra models, a standard 185-hp, 3.4-liter V-6 teams with a four-speed-automatic transmission. The Rendezvous Ultra gets a 245-hp, 3.6-liter V-6; this engine is optional in the CXL. ...

Power Outlets
The accessory power outlets can be used to plug in electrical equipment, such as a cell phone or MP3 player. There is one accessory power outlet located on the instrument panel below the climate ...