In general, it is not possible to cosign for a car over the phone. Cosigning a loan involves signing legal documents that hold the cosigner responsible for repayment if the primary borrower defaults. These documents typically require in-person signatures and may also involve notarization.
While some lenders may allow certain aspects of the loan application to be completed online or over the phone, cosigning a loan specifically requires the physical signatures of all parties involved. For this reason, it is generally not möglich to cosign for a car over the phone.
