In Texas, you can't return a car you've just bought. There are a couple of exceptions, but they probably won't help your specific situation. Some states have a buyer's remorse law that allows you to return a large purchase within three days—Texas is not one of them.

The Texas new-car insurance grace period is 2 to 30 days in most cases. The new-car grace period is how long insured drivers are allowed to drive a newly purchased vehicle before adding it to an existing car insurance policy.

When financing or leasing a vehicle, your lender may use the term "full coverage." That means they require you to carry comprehensive and collision plus anything else your state mandates. Liability is a mandatory coverage in nearly every state, while comprehensive and collision (physical damage coverages) are optional.

If you still owe money on your car, your lender will require you to have collision and comprehensive coverage.

Liability coverage is for injuries and damage to others when you're at fault. Full coverage often refers to liability and other state-required coverages plus damage to your car (comprehensive and collision), but it is not an actual insurance coverage.

No. There is no grace period or cancellation period after signing the purchase contract. Once you've signed it, you've made the purchase.

Penalties and fines in Texas for driving uninsured Vehicle can be impounded for 180 days; cannot apply for release of car without evidence of financial responsibility. Daily fees apply.