Adding Equipment to the Outside of the Vehicle
Things added to the outside of the vehicle can affect the airflow around it. This can cause wind noise and can affect fuel economy and windshield washer performance.
Check with your dealer/retailer before adding equipment to the outside of the vehicle.
See also:
Driving for Better Fuel Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
• Avoid fast starts and accelerate
smoothly.
• Brake gradually and avoid
abrup ...
Making Turns
Notice: Making very sharp turns while trailering could cause
the trailer to come in contact with the vehicle. The vehicle could be damaged. Avoid
making very sharp turns while trailering.
When tu ...
Reactivation for Subsequent
Owners
Push and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle
records and will explain the OnStar
service offers and opt ...
