Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1999ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISCRUISE CONTROLDESCRIPTION AND OPERATIONMULTI-FUNCTION LEVERTHE SET FUNCTION
1999 Chevrolet Astro Van 2WD V6-4.3L VIN W
The SET Function
1999 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION The SET Function
Use the SET function in order to set the cruise control at a particular speed. Engage the SET function in the following manner:
1. Ensure that the vehicle speed is above the low speed point.
2. Place the ON/OFF switch in the ON position.
3. Depress and release the SET/COAST switch The cruise speed will be set within 1.6 km/h (1 mph) of the speed the vehicle was travelling when you released the button. The vehicle will continue to cruise until one of the following events occurs:
^ The ON/OFF switch is moved to the OFF position
^ The ignition switch is turned OFF
^ The SET/COAST switch is pushed in fully and held.
Depressing the brake pedal will also disengage the cruise control. However, when you use this method, the memory retains the set speed, allowing the cruise control function to resume at a later time.
1. Ensure that the vehicle speed is above the low speed point.
2. Place the ON/OFF switch in the ON position.
3. Depress and release the SET/COAST switch The cruise speed will be set within 1.6 km/h (1 mph) of the speed the vehicle was travelling when you released the button. The vehicle will continue to cruise until one of the following events occurs:
^ The ON/OFF switch is moved to the OFF position
^ The ignition switch is turned OFF
^ The SET/COAST switch is pushed in fully and held.
Depressing the brake pedal will also disengage the cruise control. However, when you use this method, the memory retains the set speed, allowing the cruise control function to resume at a later time.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.