Start by identifying how you’re sending the command and checking the owner’s manual for your Chevrolet’s model and year. Remote-start instructions, operating limits, and equipment vary, so a button sequence that works on another Chevy may not apply to yours.
Check the Vehicle’s Operating Conditions
Remote start has safeguards that can prevent operation even when the system is functioning correctly.For example, the 2025 Chevrolet Colorado owner’s manual identifies an open hood and activated hazard flashers as conditions that prevent remote start. Other restrictions and limits depend on the vehicle.
Before trying again, check the following against your own manual:
- Is the vehicle turned off and in Park?
- Is the hood fully latched?
- Are the hazard flashers off?
- Is a key or remote left inside the vehicle?
- Have you reached the permitted remote-start attempts or running-time limit?
- Are there warning lights or messages?
For a gasoline or diesel Chevrolet, only try remote start outdoors where exhaust can disperse safely.
If You’re Using the Key Fob
The key fob sends a signal directly to the vehicle. It does not rely on your phone’s internet connection or an app service plan.Move closer to the vehicle and follow the remote-start procedure in your model-year owner’s manual. Buildings, distance, and signal interference can affect operation.
Check whether the lock and unlock buttons work consistently. If their range has also decreased, the fob battery may need attention. If you have a second programmed fob, comparing the two can help narrow the problem.
Working door-lock buttons do not prove that every remote-start condition has been met. Also, having a remote-start symbol on a replacement fob does not establish that the vehicle has the required equipment and programming.
If You’re Using the myChevrolet App
App-based starting follows a different path. It requires a properly equipped vehicle, a connected account, and an active service plan that supports Remote Commands. Depending on the vehicle and ownership terms, access may be included for a specified period or require continued paid service.Confirm that the correct vehicle is selected, the app is updated, and Remote Commands are included in your plan. Your phone needs internet access, and the vehicle needs a supported connection with adequate coverage.
Review any error message or available command history. Save a screenshot before closing it. If the fob works but the app does not, account access or connectivity deserves a closer look before assuming a mechanical failure.
When a Warning Light Changes the Next Step
Certain faults can disable remote start. On equipped gasoline vehicles, an emissions-related malfunction accompanied by a check engine light may prevent operation.That light does not identify the failed part. Chevrolet remote start troubleshooting may require checking diagnostic codes, vehicle battery condition, hood-latch status, or other system inputs.
If the vehicle also struggles to start normally, battery service at Sunset Chevrolet may be part of the evaluation. A weak vehicle battery and a weak fob battery are separate issues.
Persistent failure, warning messages, or unusual starting behavior warrant an inspection. Do not clear codes or disconnect the battery simply to restore remote start; that can remove useful diagnostic information.
What to Tell Sunset Chevrolet
When contacting the service team, provide:- Your Chevrolet’s model, year, and whether remote start previously worked.
- Whether the failure affects the fob, app, or both.
- Whether the vehicle starts normally from inside.
- Any dashboard warnings or app error messages.
- Recent battery replacement, fob replacement, or other changes.