is it a SR with 4x4? Chains aren't usually enough. Matter of fact, chains aren't always required if you have 4x4.
I have a 19 Tacoma TRD pro, amongst other 4x4s. Tires matter. 3 peak mountain snowflake rated. Even then, there's some slip and slide on ice. You're not going to get around sliding on packed ice. You'll slide on chains too.
The MTS and lockers feature is the most useful thing for getting out of some stuff. I'm not sure the SRs have that? Honestly, call me bougie, but I've never been in anything not a pro or TRD offroad.
A shovel and a winch is also highly recommended like others have mentioned above. With a winch comes needing some others stuff like a snatch block, tree saver, and a recovery point on the truck. All of which gets expensive fast. Traction boards are useful too.
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