OnStar Additional Information
IntroductionHill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat
or rolling terrain. Tips for driving in these conditions include:
• Keep the vehicle serviced and in good shape.
• Check all fluid levels and brakes, tires, cooling system, and transmission.
• Shift to a lower g ...
Parking Brake
To apply the parking brake, pull up on the parking brake handle. It is not necessary
to push in on the release button while applying the parking brake. If the ignition
is in the ON/RUN position, the brake system warning light will come on.
To release the parking brake:
1. Hold the brake peda ...
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 abrupt stops.
• Avoid idling the engine for long periods of time.
• When road and weather conditions ar ...