2FA methods supported by OnStar
OnStar offers the following two-factor authentication options to help protect your account.
OnStar does not currently list any supported two-factor authentication methods.
OnStar 2FA — Frequently asked questions
Does OnStar support an authenticator app?
No. OnStar does not currently offer TOTP-based codes or any other listed 2FA method.
More IoT services that support 2FA
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