Walt, sporting longer hair and a beard has breakfast 52nd Birthday breakfast at a diner. He has a beard and hair.
He is using a New Hampshire drivers licence, presumably fake, and in conversation with the waitress claims to be 30 hours drive from New Hampshire (assuming he got it right) and interestingly the waitress thought he might be going to California. Which puts him a bit west of home I’d guess.
He’s there “on business” and seems interested in the unidentified man who comes into the restaurant. Walt follows him into the toilet and buys something requiring an instruction manual that the seller wants assurances won’t cross the border. Walt says that it isn’t leaving town.
After the man leave Walt coughs slightly by the sink and then takes a pill before walking back to his car. The car remote control that he was given opens a nearby car which has a very nasty looking weapon in the boot, an M13 machine gun I think, plus 4 x magazines of 7.62mm NATO bullets marked as TRACER.