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 MANUALSCHEVROLET1999LUMINA V6-3.8L VIN KREPAIR AND DIAGNOSISCRUISE CONTROLDESCRIPTION AND OPERATIONMULTI-FUNCTION TURN SIGNAL LEVEROFF-ON-R/A SWITCH
1999 Chevrolet Lumina V6-3.8L VIN K
OFF-ON-R/A Switch
1999 Chevrolet Lumina V6-3.8L VIN KSECTION OFF-ON-R/A Switch
OFF-ON-R/A Switch:
The OFF-ON-R/A switch has the following 3 positions:
^ The ON position
The ON position turns the cruise control system ON.
^ The OFF position
The OFF position turns the cruise control system OFF.
^ The R/A position
The R/A switch position has the following 3 main functions:
- Resume
The system will enter the resume mode when the OFF-ON-R/A switch is held in the R/A (Resume/Accelerate) position momentarily. The vehicle speed must exceed 40 km/h (25 mph) at the time of activation in order for the cruise control operation to return to the last cruise speed setting.
- Accelerate
The system will enter the accelerate mode when the OFF-ON-R/A switch is held in the R/A position for more than one second.
To increase the cruise speed, the vehicle must be traveling at least 40 km/h (25 mph) and the ON-OFF-R/A switch held in the R/A position until the vehicle reaches the desired cruise speed.
The system will maintain the new cruise speed when the OFF-ON-R/A switch is released to the ON position.
- Tap-Up
This function increases the cruise speed by increments of 2 km/h (1 mph). One tap equals a 2 km/h (1 mph) increase. The cruise must be engaged and operating in order to use this function.
Press the OFF-ON-R/A switch toward the R/A position and release quickly or tap the lever in order to operate the tap-up function. Do not hold the lever in the R/A position or the system will go into the accelerate mode.
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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.