How to star a Toyota sequoia 2001 without master key I have a factory key without program master key it's lost

SOURCE: 2002 Toyota Sequoia power brake booster % master cylinder are bad

Mr. Clark:
It would be extraordinary for a technician to recommend a booster and a master cylinder with no previous mention from you of a possible problem in this area. In other words, the technician had no business looking at the m/cyl or the booster, unless you told him that your braking was deficient.
Here is what REALLY happened: Somewhere, I'd bet, your brake light came on, and somebody "topped off" the master cylinder, to shut the light off. Now, please understand that the brake fluid level in the master cylinder reservoir DROPS PROPORTIONALLY to the wear of the brake pads. When the tech replaced the front brake pads, he obviously had to squeeze the caliper pistons into the housings to allow the insertion of the new pads. This action forced the brake fluid from the now-compressed caliper pistons BACK into the master cylinder, and it sprayed out from under the cap, coating the cylinder and the booster. Tell that repair service that you do NOT need a booster and a master cylinder, THEY caused the problem with the fluid being everywhere. I am confident that I just saved you a significent amount of money that you do NOT need to spend. Have a great day.

SOURCE: Lost keys for Toyota Sequoia -

have dealer check for bullentin customer only pays for keys toyota warranties comp..

SOURCE: programming a new key for a 2001 toyota avalon

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SOURCE: key will not turn when inserted in ignition for

have you got a an answer? you just need to keep a hand on the key to turn and the other hand on the steering wheel move it both ways (left and right) gently!
if problem stays, means you need to change the switch assemb. may be a kid inserted some thing in it!! or theft trial!

SOURCE: head lights dont come on. 2001 toyota Sequoia

this problem could be a blown fuse or the relay (these are in two boxes near the battery), or possibly the switch to turn the lights on (on steering column), and small pssobility of a wiring (such as grounding).