OnStar

See also:

Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. Fully functional daytime running lamps are required on all vehicles first sold in Canad ...

Total Weight on Your Vehicle's Tires
Be sure the vehicle's tires are inflated to the upper limit for cold tires. These numbers can be found on the Information label. See Vehicle Load Limits. Make sure not to go over the GVW li ...

Using Cruise Control on Hills
How well your cruise control works on hills depends upon your speed, load and the steepness of the hills. When going up steep hills, you may want to step on the accelerator pedal to maintain your ...