See also:

OnStar®
If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data collectio ...

Voltmeter Gauge
This gauge indicates the battery voltage when the ignition is turned on. When the ignition is on, this gauge indicates the battery voltage. When the engine is running, this gauge shows the conditi ...

Hydroplaning
Hydroplaning is dangerous. Water can build up under the vehicle's tires so they actually ride on the water. This can happen if the road is wet enough and you are going fast enough. When the ve ...