diff --git a/client.go b/client.go
index edc17d4..979b496 100644
--- a/client.go
+++ b/client.go
@@ -7,6 +7,7 @@ import (
 	"log/slog"
 	"slices"
 	"sync"
+	"time"
 
 	"git.savin.nyc/alex/mysubaru/config"
 	"resty.dev/v3"
@@ -196,8 +197,81 @@ func (c *Client) GetVehicleByVin(vin string) (*Vehicle, error) {
 	return nil, errors.New("vin code is not in the list of the available vin codes")
 }
 
+// RefreshVehicles refreshes the list of vehicles associated with the client's account.
+func (c *Client) RefreshVehicles() error {
+	params := map[string]string{}
+	reqURL := MOBILE_API_VERSION + apiURLs["API_REFRESH_VEHICLES"]
+	resp, err := c.execute(GET, reqURL, params, false)
+	if err != nil {
+		c.logger.Error("error while executing RefreshVehicles request", "request", "RefreshVehicles", "error", err.Error())
+		return errors.New("error while executing RefreshVehicles request: " + err.Error())
+	}
+	c.logger.Debug("http request output", "request", "RefreshVehicles", "body", resp)
+
+	// var vd VehicleData
+	// err = json.Unmarshal(resp.Data, &vd)
+	// if err != nil {
+	// 	c.logger.Error("error while parsing json", "request", "SelectVehicle", "error", err.Error())
+	// 	return errors.New("error while parsing json while vehicle selection")
+	// }
+	// c.logger.Debug("http request output", "request", "SelectVehicle", "body", resp)
+	return nil
+}
+
+// RequestAuthCode requests an authentication code for two-factor authentication (2FA).
+func (c *Client) RequestAuthCode() error {
+	params := map[string]string{
+		"contactMethod":      "0",
+		"languagePreference": "EN"}
+	reqUrl := MOBILE_API_VERSION + apiURLs["API_2FA_SEND_VERIFICATION"]
+	resp, err := c.execute(POST, reqUrl, params, false)
+	if err != nil {
+		c.logger.Error("error while executing RequestAuthCode request", "request", "RequestAuthCode", "error", err.Error())
+		return errors.New("error while executing RequestAuthCode request: " + err.Error())
+	}
+	c.logger.Debug("http request output", "request", "RequestAuthCode", "body", resp)
+
+	return nil
+}
+
+// SubmitAuthCode submits the authentication code received from the RequestAuthCode method.
+func (c *Client) SubmitAuthCode(code string, permanent bool) error {
+	params := map[string]string{
+		"deviceId":         c.credentials.DeviceID,
+		"deviceName":       c.credentials.DeviceName,
+		"verificationCode": code}
+	if permanent {
+		params["rememberDevice"] = "on"
+	}
+
+	reqUrl := MOBILE_API_VERSION + apiURLs["API_2FA_AUTH_VERIFY"]
+	resp, err := c.execute(POST, reqUrl, params, false)
+	if err != nil {
+		c.logger.Error("error while executing SubmitAuthCode request", "request", "SubmitAuthCode", "error", err.Error())
+		return errors.New("error while executing SubmitAuthCode request: " + err.Error())
+	}
+	// Device registration does not always immediately take effect
+	time.Sleep(time.Second * 3)
+	c.logger.Debug("http request output", "request", "SubmitAuthCode", "body", resp)
+
+	return nil
+}
+
+// getContactMethods retrieves the available contact methods for two-factor authentication (2FA).
+func (c *Client) GetContactMethods() error {
+	params := map[string]string{}
+	reqUrl := MOBILE_API_VERSION + apiURLs["API_2FA_CONTACT"]
+	resp, err := c.execute(POST, reqUrl, params, false)
+	if err != nil {
+		c.logger.Error("error while executing GetContactMethods request", "request", "GetContactMethods", "error", err.Error())
+		return errors.New("error while executing GetContactMethods request: " + err.Error())
+	}
+	c.logger.Debug("http request output", "request", "GetContactMethods", "body", resp)
+
+	return nil
+}
+
 // func isPINRequired()          {}
-// func getVehicles()            {}
 // func getEVStatus()            {}
 // func getRemoteOptionsStatus() {}
 // func getRemoteStartStatus()   {}