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Cancel ONSTAR
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Cancellation service #1 in Singapore
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I hereby notify you of my decision to terminate the contract relating to the Onstar service.
This notification constitutes a firm, clear and unequivocal intention to cancel the contract, effective at the earliest possible date or in accordance with the applicable contractual period.
Please take all necessary measures to:
– cease all billing from the effective date of cancellation;
– confirm in writing the proper processing of this request;
– and, if applicable, send me the final statement or balance confirmation.
This cancellation is addressed to you by certified e-mail. The sending, timestamping and content integrity are established, making it a probative document meeting electronic proof requirements. You therefore have all the necessary elements to proceed with regular processing of this cancellation, in accordance with applicable principles regarding written notification and contractual freedom.
In accordance with personal data protection rules, I also request:
– deletion of all my data not necessary for your legal or accounting obligations;
– closure of any associated personal account;
– and confirmation of actual data deletion according to applicable privacy rights.
I retain a complete copy of this notification as well as proof of sending.
Important warning regarding service limitations
In the interest of transparency and prevention, it is essential to recall the inherent limitations of any dematerialized sending service, even when timestamped, tracked and certified. Guarantees relate to sending and technical proof, but never to the recipient's behavior, diligence or decisions.
Please note, Postclic cannot:
- guarantee that the recipient receives, opens or becomes aware of your e-mail.
- guarantee that the recipient processes, accepts or executes your request.
- guarantee the accuracy or completeness of content written by the user.
- guarantee the validity of an incorrect or outdated address.
- prevent the recipient from contesting the legal scope of the mail.
Cancellation Onstar: Easy Method
What is Onstar
Overview
OnStar is a subscription service that provides in-vehicle safety, security and connectivity features such as emergency response, navigation help and remote vehicle diagnostics.
The service is typically offered by vehicle manufacturers and works via built-in vehicle hardware and companion mobile apps.
Core features
Typical OnStar features include crash response, emergency assistance, stolen vehicle assistance, and remote services.
Availability, feature sets and local terms vary by market and by vehicle; check official OnStar materials for current details.
How to cancel Onstar
Online cancellation (recommended)
- Sign in to your OnStar account at the official account portal and go to My Plans.
- Select the plan you want to end and choose the cancel plan option.
- Follow on-screen prompts and keep any confirmation or reference number.
Cancel by phone or in-vehicle
- Press the blue OnStar button in your vehicle to speak with an Advisor and request cancellation.
- Call member services at 1-888-4ONSTAR (1-888-466-7827) to cancel by phone.
- Ask the Advisor for a cancellation confirmation number and the effective date of termination.
Other options
- Some local terms allow alternative termination procedures; for example see OnStar's China terms for local wording and steps.
- If you prefer written correspondence, note the official member mailing address and include account details and VIN.
What happens when you cancel
Service access
After you cancel, OnStar services typically remain active through the end of your current billing period.
The exact cut-off date will be confirmed at cancellation; keep written confirmation for your records.
Billing and renewal
Cancellation prevents future renewals but does not usually reverse charges already billed for the current period.
If you were billed in advance, refunds may be possible for unused full months or prorated days (see refund section).
Data and connected features
Some vehicle connectivity features may stop working once the subscription ends, including remote app functions and certain telematics.
Disconnecting may affect phone integration, remote start or diagnostics depending on your vehicle and package.
Will I get a refund?
General refund policy
Refunds for unused whole months or prorated days may be available if you paid in advance.
Refunds are subject to OnStar’s terms and the circumstances of your subscription purchase.
Important exceptions
- No refund is typically given if the service was included as part of the vehicle purchase or lease.
- Mobile app fees are non-refundable according to OnStar mobile terms.
- There is no automatic global 14-day cooling-off guarantee referenced in OnStar's standard terms; refunds are conditional and handled per OnStar policy.
Onstar plans and pricing
Where to check current pricing
OnStar plan names, features and prices change by region and over time.
Always consult the official OnStar website or your account page for up-to-date pricing and plan details: OnStar help.
Notes about quoted prices
Do not rely on third-party or anecdotal price reports; only the official site and your account show current billing amounts.
If you have a promotional or dealer-included plan, confirm terms with the vehicle dealer or in your purchase agreement.
Your consumer rights in Singapore
Applicability of local law
Singapore consumer protection laws (such as the Consumer Protection (Fair Trading) Act and Lemon Law) generally apply to goods and services sold in Singapore.
However, OnStar is not widely offered or regulated in Singapore, so local statutory consumer rights are unlikely to apply to OnStar subscriptions in many cases.
Practical advice for Singapore users
- Confirm whether your subscription was sold or administered through a Singapore entity before assuming local protections.
- For corporate or cross-border purchases, check contract terms and any local company registration information such as OnStar Pte. Ltd.
- See OnStar Pte. Ltd. registration details: OnStar Pte. Ltd.
Customer experiences
Positive reports
Some users report successful cancellations and receipt of prorated refunds after persistent follow-up or escalation to billing.
There are documented cases where OnStar emergency and crash response provided timely assistance in real incidents.
Negative reports
Many users have reported difficulties: being billed after cancellation, needing multiple calls to secure refunds, and problems reconnecting services.
Some customers describe loss of functionality after cancellation and issues with app reliability and customer support responsiveness.
Documentation checklist
Account and identity information
- OnStar account username or email address.
- Full name as on account and the vehicle VIN (Vehicle Identification Number).
- Last billed amount and payment method used.
Proof and records to keep
- Copies of purchase or lease documents if service came with vehicle.
- Cancellation confirmation numbers, Advisor names, call dates and any follow-up emails.
- Screenshots of online cancellation pages or emails showing plan end date.
Common mistakes
Assuming cancellation without confirmation
Customers sometimes assume a phone request was sufficient without obtaining a confirmation number or email.
Always request and save written confirmation; verify the stated end date of service.
Expecting automatic refunds or reconnection
Do not assume refunds are automatic - they can require escalation to the billing department.
Also avoid assuming that cancelled services can be instantly reactivated without re-subscription; reconnection may require new setup steps.
Comparative recap
Quick comparison
| Action | Likely outcome | Recommended next step |
|---|---|---|
| Cancel online via My Account | Immediate cancellation request; service continues to end of billing period | Save confirmation and check final bill |
| Cancel by pressing blue in-vehicle button | Speak with Advisor; cancellation recorded during call | Ask for cancellation reference and effective date |
| Cancel by phone (1-888-4ONSTAR) | Advisor processes cancellation; may need follow-up for refunds | Record Advisor name, time and confirmation number |
After cancelling
Confirm and monitor
- Keep the cancellation confirmation and the stated end date of service.
- Monitor your credit card or bank statements for any unexpected renewals.
- For official guidance, refer to OnStar cancellation help: OnStar cancellation help.
If you need further help
If you do not receive a refund you believe is due, escalate to the OnStar billing department and keep all correspondence.
For mobile-app specific fee questions, review the OnStar Mobile Terms: OnStar Mobile Terms.
Address
OnStar mailing address
OnStar Member Services, P.O. Box 1027, Warren, MI 48090-1027, USA.
Local entity information
For local company registration reference, see OnStar Pte. Ltd.: OnStar Pte. Ltd. (Companies House).