For version older than RD-Autos 1.5.15:

To change the upload limits, you need to do the following changes:

• Open file: [website_root]/administrator/components/com_rdautos/helper/helper.php
• Go go line: 26, line 153 and line 310

$maxsize        = 1000000;

Change the above in to have an upload limit of 3 MB:

$maxsize        = 3000000;

Make sure your server can handle this.  Most of them do, if you choose a to big file you will get errors from PHP.

For version 1.5.15 and newer:

• Open file: [website_root]/administrator/components/com_rdautos/helper/functions/upload.class.php
• Go to line 50 and change:

$maxsize        = 1000000;

Change the above in to have an upload limit of 3 MB:

$maxsize        = 3000000;

Make sure your server can handle this.  Most of them do, if you choose a to big file you will get errors from PHP.