I have a 2014 CX-5 with sand (beige) leather seats which have become dirty over the years. Any recommendations for a leather cleaner? TIA

 

I've used the Meguires products for years for my cars, motorcycles, leather recliner and even my motorcycle leathers.
They are decent product for a reasonable price.
They make products for other applications as well.
Leather - Interior - Car Care (meguiarsdirect.com)