Instruction Manuals | Evenflo Instruction Manuals. Please verify the date of manufacture on your product and contact Evenflo at 1-800-233-5921 to obtain the instructions created specifically for your product's model and manufacturing year. Always read all instructions and warnings applicable to your particular product prior to first use, and keep the instructions available for future reference. Evenflo User Manuals Download - ManualsLib View & download of more than 84 Evenflo PDF user manuals, service manuals, operating guides. Car seat, Stroller user manuals, operating guides & specifications.