Map Scales
+ / − (Zoom In/Zoom Out): Press the zoom in or out screen buttons or the scale on the bar to change the level of map detail. The scale appears on the screen once the zoom in or zoom out screen buttons are selected. The system adjusts the map accordingly. The scale of a map can range from 1/32 mi (50 m) to 256 mi (400 km). To change English or metric, see Driver Information Center (DIC) for more information.
See also:
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 li ...
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 ...
Driving on Snow or Ice
Drive carefully when there is snow or ice between the tires and the road,
creating less traction or grip. Wet ice can occur at about 0°C (32°F) when
freezing rain begins to fall, resulting in even l ...